Home / 1,022,666.81-1,534,000.17-312,694.79

Finding the Fourth Proportional to 1,022,666.81, 1,534,000.17 and 312,694.79

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Solution

The fourth proportional to 1,022,666.81, 1,534,000.17 and 312,694.79 is: 469,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,666.81 : 1,534,000.17 = 312,694.79 : x
  2. Step 2: Convert to fraction form
    1,022,666.81/1,534,000.17 = 312,694.79/x
  3. Step 3: Cross multiply
    1,022,666.81x = 1,534,000.17 × 312,694.79
  4. Step 4: Simplify right side
    1,022,666.81x = 479,673,861,018.11
  5. Step 5: Solve for x
    x = 479,673,861,018.11/1,022,666.81
  6. Step 6: Final answer
    x = 469,042.17

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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.