Home / 762,749.90-1,137,385.86-755,903.91

Finding the Fourth Proportional to 762,749.90, 1,137,385.86 and 755,903.91

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Solution

The fourth proportional to 762,749.90, 1,137,385.86 and 755,903.91 is: 1,127,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,749.90 : 1,137,385.86 = 755,903.91 : x
  2. Step 2: Convert to fraction form
    762,749.90/1,137,385.86 = 755,903.91/x
  3. Step 3: Cross multiply
    762,749.90x = 1,137,385.86 × 755,903.91
  4. Step 4: Simplify right side
    762,749.90x = 859,754,418,752.71
  5. Step 5: Solve for x
    x = 859,754,418,752.71/762,749.90
  6. Step 6: Final answer
    x = 1,127,177.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.