Home / 671,711.40-1,008,117.90-666,462.60

Finding the Fourth Proportional to 671,711.40, 1,008,117.90 and 666,462.60

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Solution

The fourth proportional to 671,711.40, 1,008,117.90 and 666,462.60 is: 1,000,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,711.40 : 1,008,117.90 = 666,462.60 : x
  2. Step 2: Convert to fraction form
    671,711.40/1,008,117.90 = 666,462.60/x
  3. Step 3: Cross multiply
    671,711.40x = 1,008,117.90 × 666,462.60
  4. Step 4: Simplify right side
    671,711.40x = 671,872,876,740.54
  5. Step 5: Solve for x
    x = 671,872,876,740.54/671,711.40
  6. Step 6: Final answer
    x = 1,000,240.40

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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.