Home / 1,255,655.70-1,883,397.15-402,714.90

Finding the Fourth Proportional to 1,255,655.70, 1,883,397.15 and 402,714.90

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Solution

The fourth proportional to 1,255,655.70, 1,883,397.15 and 402,714.90 is: 604,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,655.70 : 1,883,397.15 = 402,714.90 : x
  2. Step 2: Convert to fraction form
    1,255,655.70/1,883,397.15 = 402,714.90/x
  3. Step 3: Cross multiply
    1,255,655.70x = 1,883,397.15 × 402,714.90
  4. Step 4: Simplify right side
    1,255,655.70x = 758,472,094,922.54
  5. Step 5: Solve for x
    x = 758,472,094,922.54/1,255,655.70
  6. Step 6: Final answer
    x = 604,044.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.