Home / 1,146,999.52-1,720,707.05-472,705.50

Finding the Fourth Proportional to 1,146,999.52, 1,720,707.05 and 472,705.50

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Solution

The fourth proportional to 1,146,999.52, 1,720,707.05 and 472,705.50 is: 709,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,999.52 : 1,720,707.05 = 472,705.50 : x
  2. Step 2: Convert to fraction form
    1,146,999.52/1,720,707.05 = 472,705.50/x
  3. Step 3: Cross multiply
    1,146,999.52x = 1,720,707.05 × 472,705.50
  4. Step 4: Simplify right side
    1,146,999.52x = 813,387,686,423.78
  5. Step 5: Solve for x
    x = 813,387,686,423.78/1,146,999.52
  6. Step 6: Final answer
    x = 709,143.88

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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.