Home / 818,534.55-1,227,801.83-781,792.95

Finding the Fourth Proportional to 818,534.55, 1,227,801.83 and 781,792.95

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Solution

The fourth proportional to 818,534.55, 1,227,801.83 and 781,792.95 is: 1,172,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,534.55 : 1,227,801.83 = 781,792.95 : x
  2. Step 2: Convert to fraction form
    818,534.55/1,227,801.83 = 781,792.95/x
  3. Step 3: Cross multiply
    818,534.55x = 1,227,801.83 × 781,792.95
  4. Step 4: Simplify right side
    818,534.55x = 959,886,810,782.13
  5. Step 5: Solve for x
    x = 959,886,810,782.13/818,534.55
  6. Step 6: Final answer
    x = 1,172,689.43

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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.