Home / 1,298,048.72-1,791,307.14-725,088.90

Finding the Fourth Proportional to 1,298,048.72, 1,791,307.14 and 725,088.90

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Solution

The fourth proportional to 1,298,048.72, 1,791,307.14 and 725,088.90 is: 1,000,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,048.72 : 1,791,307.14 = 725,088.90 : x
  2. Step 2: Convert to fraction form
    1,298,048.72/1,791,307.14 = 725,088.90/x
  3. Step 3: Cross multiply
    1,298,048.72x = 1,791,307.14 × 725,088.90
  4. Step 4: Simplify right side
    1,298,048.72x = 1,298,856,923,704.75
  5. Step 5: Solve for x
    x = 1,298,856,923,704.75/1,298,048.72
  6. Step 6: Final answer
    x = 1,000,622.63

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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.