Home / 1,387,446-2,080,923.28-376,646.44

Finding the Fourth Proportional to 1,387,446, 2,080,923.28 and 376,646.44

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Solution

The fourth proportional to 1,387,446, 2,080,923.28 and 376,646.44 is: 564,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,446 : 2,080,923.28 = 376,646.44 : x
  2. Step 2: Convert to fraction form
    1,387,446/2,080,923.28 = 376,646.44/x
  3. Step 3: Cross multiply
    1,387,446x = 2,080,923.28 × 376,646.44
  4. Step 4: Simplify right side
    1,387,446x = 783,772,345,325.12
  5. Step 5: Solve for x
    x = 783,772,345,325.12/1,387,446
  6. Step 6: Final answer
    x = 564,902.96

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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.