Home / 1,120,875.50-1,681,327.92-372,921.50

Finding the Fourth Proportional to 1,120,875.50, 1,681,327.92 and 372,921.50

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Solution

The fourth proportional to 1,120,875.50, 1,681,327.92 and 372,921.50 is: 559,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,875.50 : 1,681,327.92 = 372,921.50 : x
  2. Step 2: Convert to fraction form
    1,120,875.50/1,681,327.92 = 372,921.50/x
  3. Step 3: Cross multiply
    1,120,875.50x = 1,681,327.92 × 372,921.50
  4. Step 4: Simplify right side
    1,120,875.50x = 627,003,329,918.28
  5. Step 5: Solve for x
    x = 627,003,329,918.28/1,120,875.50
  6. Step 6: Final answer
    x = 559,387.13

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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.