Home / 1,448,712.90-2,172,972.15-383,732.10

Finding the Fourth Proportional to 1,448,712.90, 2,172,972.15 and 383,732.10

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Solution

The fourth proportional to 1,448,712.90, 2,172,972.15 and 383,732.10 is: 575,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,712.90 : 2,172,972.15 = 383,732.10 : x
  2. Step 2: Convert to fraction form
    1,448,712.90/2,172,972.15 = 383,732.10/x
  3. Step 3: Cross multiply
    1,448,712.90x = 2,172,972.15 × 383,732.10
  4. Step 4: Simplify right side
    1,448,712.90x = 833,839,166,361.02
  5. Step 5: Solve for x
    x = 833,839,166,361.02/1,448,712.90
  6. Step 6: Final answer
    x = 575,572.40

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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.