Home / 1,200,646.82-1,656,932.15-656,770.20

Finding the Fourth Proportional to 1,200,646.82, 1,656,932.15 and 656,770.20

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Solution

The fourth proportional to 1,200,646.82, 1,656,932.15 and 656,770.20 is: 906,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,646.82 : 1,656,932.15 = 656,770.20 : x
  2. Step 2: Convert to fraction form
    1,200,646.82/1,656,932.15 = 656,770.20/x
  3. Step 3: Cross multiply
    1,200,646.82x = 1,656,932.15 × 656,770.20
  4. Step 4: Simplify right side
    1,200,646.82x = 1,088,223,654,970.36
  5. Step 5: Solve for x
    x = 1,088,223,654,970.36/1,200,646.82
  6. Step 6: Final answer
    x = 906,364.50

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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.