Home / 1,472,422-2,209,151.40-724,992.88

Finding the Fourth Proportional to 1,472,422, 2,209,151.40 and 724,992.88

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Solution

The fourth proportional to 1,472,422, 2,209,151.40 and 724,992.88 is: 1,087,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,422 : 2,209,151.40 = 724,992.88 : x
  2. Step 2: Convert to fraction form
    1,472,422/2,209,151.40 = 724,992.88/x
  3. Step 3: Cross multiply
    1,472,422x = 2,209,151.40 × 724,992.88
  4. Step 4: Simplify right side
    1,472,422x = 1,601,619,035,842.03
  5. Step 5: Solve for x
    x = 1,601,619,035,842.03/1,472,422
  6. Step 6: Final answer
    x = 1,087,744.57

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1.5x scale

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.