Home / 1,004,811.20-1,507,216.80-605,902.40

Finding the Fourth Proportional to 1,004,811.20, 1,507,216.80 and 605,902.40

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Solution

The fourth proportional to 1,004,811.20, 1,507,216.80 and 605,902.40 is: 908,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,811.20 : 1,507,216.80 = 605,902.40 : x
  2. Step 2: Convert to fraction form
    1,004,811.20/1,507,216.80 = 605,902.40/x
  3. Step 3: Cross multiply
    1,004,811.20x = 1,507,216.80 × 605,902.40
  4. Step 4: Simplify right side
    1,004,811.20x = 913,226,276,440.32
  5. Step 5: Solve for x
    x = 913,226,276,440.32/1,004,811.20
  6. Step 6: Final answer
    x = 908,853.60

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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.