Home / 1,225,366.22-1,690,990.35-688,822.22

Finding the Fourth Proportional to 1,225,366.22, 1,690,990.35 and 688,822.22

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Solution

The fourth proportional to 1,225,366.22, 1,690,990.35 and 688,822.22 is: 950,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,366.22 : 1,690,990.35 = 688,822.22 : x
  2. Step 2: Convert to fraction form
    1,225,366.22/1,690,990.35 = 688,822.22/x
  3. Step 3: Cross multiply
    1,225,366.22x = 1,690,990.35 × 688,822.22
  4. Step 4: Simplify right side
    1,225,366.22x = 1,164,791,726,885.58
  5. Step 5: Solve for x
    x = 1,164,791,726,885.58/1,225,366.22
  6. Step 6: Final answer
    x = 950,566.21

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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.