Home / 1,149,194.30-1,721,167.05-676,802.30

Finding the Fourth Proportional to 1,149,194.30, 1,721,167.05 and 676,802.30

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Solution

The fourth proportional to 1,149,194.30, 1,721,167.05 and 676,802.30 is: 1,013,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,194.30 : 1,721,167.05 = 676,802.30 : x
  2. Step 2: Convert to fraction form
    1,149,194.30/1,721,167.05 = 676,802.30/x
  3. Step 3: Cross multiply
    1,149,194.30x = 1,721,167.05 × 676,802.30
  4. Step 4: Simplify right side
    1,149,194.30x = 1,164,889,818,124.22
  5. Step 5: Solve for x
    x = 1,164,889,818,124.22/1,149,194.30
  6. Step 6: Final answer
    x = 1,013,657.85

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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.