Home / 1,448,417.64-2,172,617.82-787,768.68

Finding the Fourth Proportional to 1,448,417.64, 2,172,617.82 and 787,768.68

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Solution

The fourth proportional to 1,448,417.64, 2,172,617.82 and 787,768.68 is: 1,181,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,417.64 : 2,172,617.82 = 787,768.68 : x
  2. Step 2: Convert to fraction form
    1,448,417.64/2,172,617.82 = 787,768.68/x
  3. Step 3: Cross multiply
    1,448,417.64x = 2,172,617.82 × 787,768.68
  4. Step 4: Simplify right side
    1,448,417.64x = 1,711,520,272,205.88
  5. Step 5: Solve for x
    x = 1,711,520,272,205.88/1,448,417.64
  6. Step 6: Final answer
    x = 1,181,648.32

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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.