Home / 1,200,620.99-1,656,835.20-656,752.02

Finding the Fourth Proportional to 1,200,620.99, 1,656,835.20 and 656,752.02

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Solution

The fourth proportional to 1,200,620.99, 1,656,835.20 and 656,752.02 is: 906,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,620.99 : 1,656,835.20 = 656,752.02 : x
  2. Step 2: Convert to fraction form
    1,200,620.99/1,656,835.20 = 656,752.02/x
  3. Step 3: Cross multiply
    1,200,620.99x = 1,656,835.20 × 656,752.02
  4. Step 4: Simplify right side
    1,200,620.99x = 1,088,129,856,346.86
  5. Step 5: Solve for x
    x = 1,088,129,856,346.86/1,200,620.99
  6. Step 6: Final answer
    x = 906,305.87

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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.