Home / 1,025,725.14-1,538,801.55-315,718.02

Finding the Fourth Proportional to 1,025,725.14, 1,538,801.55 and 315,718.02

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Solution

The fourth proportional to 1,025,725.14, 1,538,801.55 and 315,718.02 is: 473,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,725.14 : 1,538,801.55 = 315,718.02 : x
  2. Step 2: Convert to fraction form
    1,025,725.14/1,538,801.55 = 315,718.02/x
  3. Step 3: Cross multiply
    1,025,725.14x = 1,538,801.55 × 315,718.02
  4. Step 4: Simplify right side
    1,025,725.14x = 485,827,378,538.93
  5. Step 5: Solve for x
    x = 485,827,378,538.93/1,025,725.14
  6. Step 6: Final answer
    x = 473,642.85

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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.