Home / 1,486,287.20-2,226,528.40-706,189.84

Finding the Fourth Proportional to 1,486,287.20, 2,226,528.40 and 706,189.84

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Solution

The fourth proportional to 1,486,287.20, 2,226,528.40 and 706,189.84 is: 1,057,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,287.20 : 2,226,528.40 = 706,189.84 : x
  2. Step 2: Convert to fraction form
    1,486,287.20/2,226,528.40 = 706,189.84/x
  3. Step 3: Cross multiply
    1,486,287.20x = 2,226,528.40 × 706,189.84
  4. Step 4: Simplify right side
    1,486,287.20x = 1,572,351,734,385.03
  5. Step 5: Solve for x
    x = 1,572,351,734,385.03/1,486,287.20
  6. Step 6: Final answer
    x = 1,057,905.72

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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.