Home / 1,186,217.76-1,637,097.60-676,996.32

Finding the Fourth Proportional to 1,186,217.76, 1,637,097.60 and 676,996.32

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Solution

The fourth proportional to 1,186,217.76, 1,637,097.60 and 676,996.32 is: 934,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,217.76 : 1,637,097.60 = 676,996.32 : x
  2. Step 2: Convert to fraction form
    1,186,217.76/1,637,097.60 = 676,996.32/x
  3. Step 3: Cross multiply
    1,186,217.76x = 1,637,097.60 × 676,996.32
  4. Step 4: Simplify right side
    1,186,217.76x = 1,108,309,050,680.83
  5. Step 5: Solve for x
    x = 1,108,309,050,680.83/1,186,217.76
  6. Step 6: Final answer
    x = 934,321.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.