Home / 1,345,814.60-2,016,000.30-838,819.40

Finding the Fourth Proportional to 1,345,814.60, 2,016,000.30 and 838,819.40

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Solution

The fourth proportional to 1,345,814.60, 2,016,000.30 and 838,819.40 is: 1,256,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,814.60 : 2,016,000.30 = 838,819.40 : x
  2. Step 2: Convert to fraction form
    1,345,814.60/2,016,000.30 = 838,819.40/x
  3. Step 3: Cross multiply
    1,345,814.60x = 2,016,000.30 × 838,819.40
  4. Step 4: Simplify right side
    1,345,814.60x = 1,691,060,162,045.82
  5. Step 5: Solve for x
    x = 1,691,060,162,045.82/1,345,814.60
  6. Step 6: Final answer
    x = 1,256,532.78

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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.