Home / 1,507,581.08-2,261,507.13-428,104.24

Finding the Fourth Proportional to 1,507,581.08, 2,261,507.13 and 428,104.24

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Solution

The fourth proportional to 1,507,581.08, 2,261,507.13 and 428,104.24 is: 642,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,581.08 : 2,261,507.13 = 428,104.24 : x
  2. Step 2: Convert to fraction form
    1,507,581.08/2,261,507.13 = 428,104.24/x
  3. Step 3: Cross multiply
    1,507,581.08x = 2,261,507.13 × 428,104.24
  4. Step 4: Simplify right side
    1,507,581.08x = 968,160,785,489.46
  5. Step 5: Solve for x
    x = 968,160,785,489.46/1,507,581.08
  6. Step 6: Final answer
    x = 642,194.84

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Double scale
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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.