Home / 1,025,293.55-1,538,087.39-315,381.47

Finding the Fourth Proportional to 1,025,293.55, 1,538,087.39 and 315,381.47

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Solution

The fourth proportional to 1,025,293.55, 1,538,087.39 and 315,381.47 is: 473,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,293.55 : 1,538,087.39 = 315,381.47 : x
  2. Step 2: Convert to fraction form
    1,025,293.55/1,538,087.39 = 315,381.47/x
  3. Step 3: Cross multiply
    1,025,293.55x = 1,538,087.39 × 315,381.47
  4. Step 4: Simplify right side
    1,025,293.55x = 485,084,260,469.76
  5. Step 5: Solve for x
    x = 485,084,260,469.76/1,025,293.55
  6. Step 6: Final answer
    x = 473,117.44

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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.