Home / 1,145,505.42-1,580,704.74-662,101.74

Finding the Fourth Proportional to 1,145,505.42, 1,580,704.74 and 662,101.74

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Solution

The fourth proportional to 1,145,505.42, 1,580,704.74 and 662,101.74 is: 913,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,505.42 : 1,580,704.74 = 662,101.74 : x
  2. Step 2: Convert to fraction form
    1,145,505.42/1,580,704.74 = 662,101.74/x
  3. Step 3: Cross multiply
    1,145,505.42x = 1,580,704.74 × 662,101.74
  4. Step 4: Simplify right side
    1,145,505.42x = 1,046,587,358,780.25
  5. Step 5: Solve for x
    x = 1,046,587,358,780.25/1,145,505.42
  6. Step 6: Final answer
    x = 913,646.80

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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.