Home / 1,500,085.44-2,070,123.36-811,757.23

Finding the Fourth Proportional to 1,500,085.44, 2,070,123.36 and 811,757.23

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Solution

The fourth proportional to 1,500,085.44, 2,070,123.36 and 811,757.23 is: 1,120,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,085.44 : 2,070,123.36 = 811,757.23 : x
  2. Step 2: Convert to fraction form
    1,500,085.44/2,070,123.36 = 811,757.23/x
  3. Step 3: Cross multiply
    1,500,085.44x = 2,070,123.36 × 811,757.23
  4. Step 4: Simplify right side
    1,500,085.44x = 1,680,437,594,121.28
  5. Step 5: Solve for x
    x = 1,680,437,594,121.28/1,500,085.44
  6. Step 6: Final answer
    x = 1,120,227.92

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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.