Home / 1,187,248.87-1,780,848.33-288,695.26

Finding the Fourth Proportional to 1,187,248.87, 1,780,848.33 and 288,695.26

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Solution

The fourth proportional to 1,187,248.87, 1,780,848.33 and 288,695.26 is: 433,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,248.87 : 1,780,848.33 = 288,695.26 : x
  2. Step 2: Convert to fraction form
    1,187,248.87/1,780,848.33 = 288,695.26/x
  3. Step 3: Cross multiply
    1,187,248.87x = 1,780,848.33 × 288,695.26
  4. Step 4: Simplify right side
    1,187,248.87x = 514,122,471,649.92
  5. Step 5: Solve for x
    x = 514,122,471,649.92/1,187,248.87
  6. Step 6: Final answer
    x = 433,036.82

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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.