Home / 1,039,806.20-1,559,709.30-479,934.20

Finding the Fourth Proportional to 1,039,806.20, 1,559,709.30 and 479,934.20

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Solution

The fourth proportional to 1,039,806.20, 1,559,709.30 and 479,934.20 is: 719,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,806.20 : 1,559,709.30 = 479,934.20 : x
  2. Step 2: Convert to fraction form
    1,039,806.20/1,559,709.30 = 479,934.20/x
  3. Step 3: Cross multiply
    1,039,806.20x = 1,559,709.30 × 479,934.20
  4. Step 4: Simplify right side
    1,039,806.20x = 748,557,835,128.06
  5. Step 5: Solve for x
    x = 748,557,835,128.06/1,039,806.20
  6. Step 6: Final answer
    x = 719,901.30

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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.