Home / 1,386,300.80-2,080,228.80-587,446.40

Finding the Fourth Proportional to 1,386,300.80, 2,080,228.80 and 587,446.40

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Solution

The fourth proportional to 1,386,300.80, 2,080,228.80 and 587,446.40 is: 881,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,300.80 : 2,080,228.80 = 587,446.40 : x
  2. Step 2: Convert to fraction form
    1,386,300.80/2,080,228.80 = 587,446.40/x
  3. Step 3: Cross multiply
    1,386,300.80x = 2,080,228.80 × 587,446.40
  4. Step 4: Simplify right side
    1,386,300.80x = 1,222,022,919,736.32
  5. Step 5: Solve for x
    x = 1,222,022,919,736.32/1,386,300.80
  6. Step 6: Final answer
    x = 881,499.11

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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.