Home / 1,055,867.88-1,456,988.63-647,986.91

Finding the Fourth Proportional to 1,055,867.88, 1,456,988.63 and 647,986.91

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Solution

The fourth proportional to 1,055,867.88, 1,456,988.63 and 647,986.91 is: 894,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,867.88 : 1,456,988.63 = 647,986.91 : x
  2. Step 2: Convert to fraction form
    1,055,867.88/1,456,988.63 = 647,986.91/x
  3. Step 3: Cross multiply
    1,055,867.88x = 1,456,988.63 × 647,986.91
  4. Step 4: Simplify right side
    1,055,867.88x = 944,109,562,938.56
  5. Step 5: Solve for x
    x = 944,109,562,938.56/1,055,867.88
  6. Step 6: Final answer
    x = 894,155.02

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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.