Home / 1,146,998.52-1,720,705.55-472,704.50

Finding the Fourth Proportional to 1,146,998.52, 1,720,705.55 and 472,704.50

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Solution

The fourth proportional to 1,146,998.52, 1,720,705.55 and 472,704.50 is: 709,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,998.52 : 1,720,705.55 = 472,704.50 : x
  2. Step 2: Convert to fraction form
    1,146,998.52/1,720,705.55 = 472,704.50/x
  3. Step 3: Cross multiply
    1,146,998.52x = 1,720,705.55 × 472,704.50
  4. Step 4: Simplify right side
    1,146,998.52x = 813,385,258,598.22
  5. Step 5: Solve for x
    x = 813,385,258,598.22/1,146,998.52
  6. Step 6: Final answer
    x = 709,142.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.