Home / 1,812,072.20-2,718,108.30-746,565.80

Finding the Fourth Proportional to 1,812,072.20, 2,718,108.30 and 746,565.80

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Solution

The fourth proportional to 1,812,072.20, 2,718,108.30 and 746,565.80 is: 1,119,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,072.20 : 2,718,108.30 = 746,565.80 : x
  2. Step 2: Convert to fraction form
    1,812,072.20/2,718,108.30 = 746,565.80/x
  3. Step 3: Cross multiply
    1,812,072.20x = 2,718,108.30 × 746,565.80
  4. Step 4: Simplify right side
    1,812,072.20x = 2,029,246,697,476.14
  5. Step 5: Solve for x
    x = 2,029,246,697,476.14/1,812,072.20
  6. Step 6: Final answer
    x = 1,119,848.70

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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.