Home / 1,191,210.48-1,644,253.56-762,644.88

Finding the Fourth Proportional to 1,191,210.48, 1,644,253.56 and 762,644.88

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Solution

The fourth proportional to 1,191,210.48, 1,644,253.56 and 762,644.88 is: 1,052,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,210.48 : 1,644,253.56 = 762,644.88 : x
  2. Step 2: Convert to fraction form
    1,191,210.48/1,644,253.56 = 762,644.88/x
  3. Step 3: Cross multiply
    1,191,210.48x = 1,644,253.56 × 762,644.88
  4. Step 4: Simplify right side
    1,191,210.48x = 1,253,981,558,955.77
  5. Step 5: Solve for x
    x = 1,253,981,558,955.77/1,191,210.48
  6. Step 6: Final answer
    x = 1,052,695.20

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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.