Home / 1,146,101.76-1,581,719.04-636,906.24

Finding the Fourth Proportional to 1,146,101.76, 1,581,719.04 and 636,906.24

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Solution

The fourth proportional to 1,146,101.76, 1,581,719.04 and 636,906.24 is: 878,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,101.76 : 1,581,719.04 = 636,906.24 : x
  2. Step 2: Convert to fraction form
    1,146,101.76/1,581,719.04 = 636,906.24/x
  3. Step 3: Cross multiply
    1,146,101.76x = 1,581,719.04 × 636,906.24
  4. Step 4: Simplify right side
    1,146,101.76x = 1,007,406,726,502.81
  5. Step 5: Solve for x
    x = 1,007,406,726,502.81/1,146,101.76
  6. Step 6: Final answer
    x = 878,985.41

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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.