Home / 755,555.52-1,127,805.50-665,877.72

Finding the Fourth Proportional to 755,555.52, 1,127,805.50 and 665,877.72

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Solution

The fourth proportional to 755,555.52, 1,127,805.50 and 665,877.72 is: 993,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,555.52 : 1,127,805.50 = 665,877.72 : x
  2. Step 2: Convert to fraction form
    755,555.52/1,127,805.50 = 665,877.72/x
  3. Step 3: Cross multiply
    755,555.52x = 1,127,805.50 × 665,877.72
  4. Step 4: Simplify right side
    755,555.52x = 750,980,551,614.07
  5. Step 5: Solve for x
    x = 750,980,551,614.07/755,555.52
  6. Step 6: Final answer
    x = 993,944.89

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1.5x scale

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.