Home / 1,448,710.40-2,175,139.20-818,854.40

Finding the Fourth Proportional to 1,448,710.40, 2,175,139.20 and 818,854.40

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Solution

The fourth proportional to 1,448,710.40, 2,175,139.20 and 818,854.40 is: 1,229,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,710.40 : 2,175,139.20 = 818,854.40 : x
  2. Step 2: Convert to fraction form
    1,448,710.40/2,175,139.20 = 818,854.40/x
  3. Step 3: Cross multiply
    1,448,710.40x = 2,175,139.20 × 818,854.40
  4. Step 4: Simplify right side
    1,448,710.40x = 1,781,122,304,532.48
  5. Step 5: Solve for x
    x = 1,781,122,304,532.48/1,448,710.40
  6. Step 6: Final answer
    x = 1,229,453.66

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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.