Home / 1,377,282.80-2,065,924.20-817,410.80

Finding the Fourth Proportional to 1,377,282.80, 2,065,924.20 and 817,410.80

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Solution

The fourth proportional to 1,377,282.80, 2,065,924.20 and 817,410.80 is: 1,226,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,282.80 : 2,065,924.20 = 817,410.80 : x
  2. Step 2: Convert to fraction form
    1,377,282.80/2,065,924.20 = 817,410.80/x
  3. Step 3: Cross multiply
    1,377,282.80x = 2,065,924.20 × 817,410.80
  4. Step 4: Simplify right side
    1,377,282.80x = 1,688,708,753,061.36
  5. Step 5: Solve for x
    x = 1,688,708,753,061.36/1,377,282.80
  6. Step 6: Final answer
    x = 1,226,116.20

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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.