Home / 1,069,724.40-1,604,586.60-999,740.40

Finding the Fourth Proportional to 1,069,724.40, 1,604,586.60 and 999,740.40

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Solution

The fourth proportional to 1,069,724.40, 1,604,586.60 and 999,740.40 is: 1,499,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,724.40 : 1,604,586.60 = 999,740.40 : x
  2. Step 2: Convert to fraction form
    1,069,724.40/1,604,586.60 = 999,740.40/x
  3. Step 3: Cross multiply
    1,069,724.40x = 1,604,586.60 × 999,740.40
  4. Step 4: Simplify right side
    1,069,724.40x = 1,604,170,049,318.64
  5. Step 5: Solve for x
    x = 1,604,170,049,318.64/1,069,724.40
  6. Step 6: Final answer
    x = 1,499,610.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.