Home / 1,129,443.88-1,693,990.19-371,280.30

Finding the Fourth Proportional to 1,129,443.88, 1,693,990.19 and 371,280.30

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Solution

The fourth proportional to 1,129,443.88, 1,693,990.19 and 371,280.30 is: 556,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,443.88 : 1,693,990.19 = 371,280.30 : x
  2. Step 2: Convert to fraction form
    1,129,443.88/1,693,990.19 = 371,280.30/x
  3. Step 3: Cross multiply
    1,129,443.88x = 1,693,990.19 × 371,280.30
  4. Step 4: Simplify right side
    1,129,443.88x = 628,945,190,044.69
  5. Step 5: Solve for x
    x = 628,945,190,044.69/1,129,443.88
  6. Step 6: Final answer
    x = 556,862.72

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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.