Home / 1,129,331.43-1,694,085.95-319,702.74

Finding the Fourth Proportional to 1,129,331.43, 1,694,085.95 and 319,702.74

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Solution

The fourth proportional to 1,129,331.43, 1,694,085.95 and 319,702.74 is: 479,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,331.43 : 1,694,085.95 = 319,702.74 : x
  2. Step 2: Convert to fraction form
    1,129,331.43/1,694,085.95 = 319,702.74/x
  3. Step 3: Cross multiply
    1,129,331.43x = 1,694,085.95 × 319,702.74
  4. Step 4: Simplify right side
    1,129,331.43x = 541,603,918,411.99
  5. Step 5: Solve for x
    x = 541,603,918,411.99/1,129,331.43
  6. Step 6: Final answer
    x = 479,579.25

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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.