Home / 1,120,539-1,680,823.13-372,585

Finding the Fourth Proportional to 1,120,539, 1,680,823.13 and 372,585

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Solution

The fourth proportional to 1,120,539, 1,680,823.13 and 372,585 is: 558,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,539 : 1,680,823.13 = 372,585 : x
  2. Step 2: Convert to fraction form
    1,120,539/1,680,823.13 = 372,585/x
  3. Step 3: Cross multiply
    1,120,539x = 1,680,823.13 × 372,585
  4. Step 4: Simplify right side
    1,120,539x = 626,249,484,028.13
  5. Step 5: Solve for x
    x = 626,249,484,028.13/1,120,539
  6. Step 6: Final answer
    x = 558,882.36

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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.