Home / 1,233,397.52-1,702,100.28-724,108.40

Finding the Fourth Proportional to 1,233,397.52, 1,702,100.28 and 724,108.40

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Solution

The fourth proportional to 1,233,397.52, 1,702,100.28 and 724,108.40 is: 999,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,397.52 : 1,702,100.28 = 724,108.40 : x
  2. Step 2: Convert to fraction form
    1,233,397.52/1,702,100.28 = 724,108.40/x
  3. Step 3: Cross multiply
    1,233,397.52x = 1,702,100.28 × 724,108.40
  4. Step 4: Simplify right side
    1,233,397.52x = 1,232,505,110,390.35
  5. Step 5: Solve for x
    x = 1,232,505,110,390.35/1,233,397.52
  6. Step 6: Final answer
    x = 999,276.46

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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.