Home / 1,225,461.49-1,834,261.79-655,417.21

Finding the Fourth Proportional to 1,225,461.49, 1,834,261.79 and 655,417.21

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Solution

The fourth proportional to 1,225,461.49, 1,834,261.79 and 655,417.21 is: 981,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,461.49 : 1,834,261.79 = 655,417.21 : x
  2. Step 2: Convert to fraction form
    1,225,461.49/1,834,261.79 = 655,417.21/x
  3. Step 3: Cross multiply
    1,225,461.49x = 1,834,261.79 × 655,417.21
  4. Step 4: Simplify right side
    1,225,461.49x = 1,202,206,740,112.73
  5. Step 5: Solve for x
    x = 1,202,206,740,112.73/1,225,461.49
  6. Step 6: Final answer
    x = 981,023.68

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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.