Home / 1,366,459.80-2,049,689.70-479,995.80

Finding the Fourth Proportional to 1,366,459.80, 2,049,689.70 and 479,995.80

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Solution

The fourth proportional to 1,366,459.80, 2,049,689.70 and 479,995.80 is: 719,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,459.80 : 2,049,689.70 = 479,995.80 : x
  2. Step 2: Convert to fraction form
    1,366,459.80/2,049,689.70 = 479,995.80/x
  3. Step 3: Cross multiply
    1,366,459.80x = 2,049,689.70 × 479,995.80
  4. Step 4: Simplify right side
    1,366,459.80x = 983,842,447,303.26
  5. Step 5: Solve for x
    x = 983,842,447,303.26/1,366,459.80
  6. Step 6: Final answer
    x = 719,993.70

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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.