Home / 849,309.22-1,267,159.69-677,731.78

Finding the Fourth Proportional to 849,309.22, 1,267,159.69 and 677,731.78

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Solution

The fourth proportional to 849,309.22, 1,267,159.69 and 677,731.78 is: 1,011,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,309.22 : 1,267,159.69 = 677,731.78 : x
  2. Step 2: Convert to fraction form
    849,309.22/1,267,159.69 = 677,731.78/x
  3. Step 3: Cross multiply
    849,309.22x = 1,267,159.69 × 677,731.78
  4. Step 4: Simplify right side
    849,309.22x = 858,794,388,859.29
  5. Step 5: Solve for x
    x = 858,794,388,859.29/849,309.22
  6. Step 6: Final answer
    x = 1,011,168.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.