Home / 1,386,720.40-2,080,282.20-588,000.40

Finding the Fourth Proportional to 1,386,720.40, 2,080,282.20 and 588,000.40

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Solution

The fourth proportional to 1,386,720.40, 2,080,282.20 and 588,000.40 is: 882,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,720.40 : 2,080,282.20 = 588,000.40 : x
  2. Step 2: Convert to fraction form
    1,386,720.40/2,080,282.20 = 588,000.40/x
  3. Step 3: Cross multiply
    1,386,720.40x = 2,080,282.20 × 588,000.40
  4. Step 4: Simplify right side
    1,386,720.40x = 1,223,206,765,712.88
  5. Step 5: Solve for x
    x = 1,223,206,765,712.88/1,386,720.40
  6. Step 6: Final answer
    x = 882,086.08

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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.