Home / 679,166.10-1,018,101.15-252,587.70

Finding the Fourth Proportional to 679,166.10, 1,018,101.15 and 252,587.70

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Solution

The fourth proportional to 679,166.10, 1,018,101.15 and 252,587.70 is: 378,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,166.10 : 1,018,101.15 = 252,587.70 : x
  2. Step 2: Convert to fraction form
    679,166.10/1,018,101.15 = 252,587.70/x
  3. Step 3: Cross multiply
    679,166.10x = 1,018,101.15 × 252,587.70
  4. Step 4: Simplify right side
    679,166.10x = 257,159,827,845.86
  5. Step 5: Solve for x
    x = 257,159,827,845.86/679,166.10
  6. Step 6: Final answer
    x = 378,640.55

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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.