Home / 1,377,039.11-1,900,275.93-765,176.04

Finding the Fourth Proportional to 1,377,039.11, 1,900,275.93 and 765,176.04

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Solution

The fourth proportional to 1,377,039.11, 1,900,275.93 and 765,176.04 is: 1,055,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,039.11 : 1,900,275.93 = 765,176.04 : x
  2. Step 2: Convert to fraction form
    1,377,039.11/1,900,275.93 = 765,176.04/x
  3. Step 3: Cross multiply
    1,377,039.11x = 1,900,275.93 × 765,176.04
  4. Step 4: Simplify right side
    1,377,039.11x = 1,454,045,611,024.72
  5. Step 5: Solve for x
    x = 1,454,045,611,024.72/1,377,039.11
  6. Step 6: Final answer
    x = 1,055,921.80

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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.