Home / 1,055,868.46-1,456,989.42-647,987.49

Finding the Fourth Proportional to 1,055,868.46, 1,456,989.42 and 647,987.49

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Solution

The fourth proportional to 1,055,868.46, 1,456,989.42 and 647,987.49 is: 894,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,868.46 : 1,456,989.42 = 647,987.49 : x
  2. Step 2: Convert to fraction form
    1,055,868.46/1,456,989.42 = 647,987.49/x
  3. Step 3: Cross multiply
    1,055,868.46x = 1,456,989.42 × 647,987.49
  4. Step 4: Simplify right side
    1,055,868.46x = 944,110,922,484.80
  5. Step 5: Solve for x
    x = 944,110,922,484.80/1,055,868.46
  6. Step 6: Final answer
    x = 894,155.81

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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.