Home / 1,146,116.85-1,581,538.54-629,864.79

Finding the Fourth Proportional to 1,146,116.85, 1,581,538.54 and 629,864.79

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Solution

The fourth proportional to 1,146,116.85, 1,581,538.54 and 629,864.79 is: 869,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,116.85 : 1,581,538.54 = 629,864.79 : x
  2. Step 2: Convert to fraction form
    1,146,116.85/1,581,538.54 = 629,864.79/x
  3. Step 3: Cross multiply
    1,146,116.85x = 1,581,538.54 × 629,864.79
  4. Step 4: Simplify right side
    1,146,116.85x = 996,155,429,316.99
  5. Step 5: Solve for x
    x = 996,155,429,316.99/1,146,116.85
  6. Step 6: Final answer
    x = 869,156.96

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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.