Home / 687,060.60-1,030,590.90-676,001.40

Finding the Fourth Proportional to 687,060.60, 1,030,590.90 and 676,001.40

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Solution

The fourth proportional to 687,060.60, 1,030,590.90 and 676,001.40 is: 1,014,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,060.60 : 1,030,590.90 = 676,001.40 : x
  2. Step 2: Convert to fraction form
    687,060.60/1,030,590.90 = 676,001.40/x
  3. Step 3: Cross multiply
    687,060.60x = 1,030,590.90 × 676,001.40
  4. Step 4: Simplify right side
    687,060.60x = 696,680,891,227.26
  5. Step 5: Solve for x
    x = 696,680,891,227.26/687,060.60
  6. Step 6: Final answer
    x = 1,014,002.10

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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.