Home / 1,377,315.60-1,900,151.28-796,431.84

Finding the Fourth Proportional to 1,377,315.60, 1,900,151.28 and 796,431.84

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Solution

The fourth proportional to 1,377,315.60, 1,900,151.28 and 796,431.84 is: 1,098,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,315.60 : 1,900,151.28 = 796,431.84 : x
  2. Step 2: Convert to fraction form
    1,377,315.60/1,900,151.28 = 796,431.84/x
  3. Step 3: Cross multiply
    1,377,315.60x = 1,900,151.28 × 796,431.84
  4. Step 4: Simplify right side
    1,377,315.60x = 1,513,340,980,208.76
  5. Step 5: Solve for x
    x = 1,513,340,980,208.76/1,377,315.60
  6. Step 6: Final answer
    x = 1,098,761.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.