Home / 1,404,859.28-1,938,711.98-760,279.57

Finding the Fourth Proportional to 1,404,859.28, 1,938,711.98 and 760,279.57

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Solution

The fourth proportional to 1,404,859.28, 1,938,711.98 and 760,279.57 is: 1,049,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,859.28 : 1,938,711.98 = 760,279.57 : x
  2. Step 2: Convert to fraction form
    1,404,859.28/1,938,711.98 = 760,279.57/x
  3. Step 3: Cross multiply
    1,404,859.28x = 1,938,711.98 × 760,279.57
  4. Step 4: Simplify right side
    1,404,859.28x = 1,473,963,107,562.17
  5. Step 5: Solve for x
    x = 1,473,963,107,562.17/1,404,859.28
  6. Step 6: Final answer
    x = 1,049,189.15

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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.