Home / 1,001,255.50-1,381,704.10-587,785.64

Finding the Fourth Proportional to 1,001,255.50, 1,381,704.10 and 587,785.64

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Solution

The fourth proportional to 1,001,255.50, 1,381,704.10 and 587,785.64 is: 811,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,255.50 : 1,381,704.10 = 587,785.64 : x
  2. Step 2: Convert to fraction form
    1,001,255.50/1,381,704.10 = 587,785.64/x
  3. Step 3: Cross multiply
    1,001,255.50x = 1,381,704.10 × 587,785.64
  4. Step 4: Simplify right side
    1,001,255.50x = 812,145,823,637.43
  5. Step 5: Solve for x
    x = 812,145,823,637.43/1,001,255.50
  6. Step 6: Final answer
    x = 811,127.46

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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.