Home / 1,221,632.84-1,832,760.52-862,503.29

Finding the Fourth Proportional to 1,221,632.84, 1,832,760.52 and 862,503.29

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Solution

The fourth proportional to 1,221,632.84, 1,832,760.52 and 862,503.29 is: 1,293,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,632.84 : 1,832,760.52 = 862,503.29 : x
  2. Step 2: Convert to fraction form
    1,221,632.84/1,832,760.52 = 862,503.29/x
  3. Step 3: Cross multiply
    1,221,632.84x = 1,832,760.52 × 862,503.29
  4. Step 4: Simplify right side
    1,221,632.84x = 1,580,761,978,686.48
  5. Step 5: Solve for x
    x = 1,580,761,978,686.48/1,221,632.84
  6. Step 6: Final answer
    x = 1,293,974.70

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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.