Home / 1,218,591.75-1,681,714.40-735,146.53

Finding the Fourth Proportional to 1,218,591.75, 1,681,714.40 and 735,146.53

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Solution

The fourth proportional to 1,218,591.75, 1,681,714.40 and 735,146.53 is: 1,014,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,591.75 : 1,681,714.40 = 735,146.53 : x
  2. Step 2: Convert to fraction form
    1,218,591.75/1,681,714.40 = 735,146.53/x
  3. Step 3: Cross multiply
    1,218,591.75x = 1,681,714.40 × 735,146.53
  4. Step 4: Simplify right side
    1,218,591.75x = 1,236,306,497,731.01
  5. Step 5: Solve for x
    x = 1,236,306,497,731.01/1,218,591.75
  6. Step 6: Final answer
    x = 1,014,537.07

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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.