Home / 1,260,590.52-1,739,626.02-687,633.24

Finding the Fourth Proportional to 1,260,590.52, 1,739,626.02 and 687,633.24

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Solution

The fourth proportional to 1,260,590.52, 1,739,626.02 and 687,633.24 is: 948,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,590.52 : 1,739,626.02 = 687,633.24 : x
  2. Step 2: Convert to fraction form
    1,260,590.52/1,739,626.02 = 687,633.24/x
  3. Step 3: Cross multiply
    1,260,590.52x = 1,739,626.02 × 687,633.24
  4. Step 4: Simplify right side
    1,260,590.52x = 1,196,224,676,520.90
  5. Step 5: Solve for x
    x = 1,196,224,676,520.90/1,260,590.52
  6. Step 6: Final answer
    x = 948,939.93

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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.