Home / 1,406,866.92-1,942,145.76-942,520.35

Finding the Fourth Proportional to 1,406,866.92, 1,942,145.76 and 942,520.35

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Solution

The fourth proportional to 1,406,866.92, 1,942,145.76 and 942,520.35 is: 1,301,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,866.92 : 1,942,145.76 = 942,520.35 : x
  2. Step 2: Convert to fraction form
    1,406,866.92/1,942,145.76 = 942,520.35/x
  3. Step 3: Cross multiply
    1,406,866.92x = 1,942,145.76 × 942,520.35
  4. Step 4: Simplify right side
    1,406,866.92x = 1,830,511,896,753.61
  5. Step 5: Solve for x
    x = 1,830,511,896,753.61/1,406,866.92
  6. Step 6: Final answer
    x = 1,301,126.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.