Home / 1,461,058.17-2,016,254.39-816,478.22

Finding the Fourth Proportional to 1,461,058.17, 2,016,254.39 and 816,478.22

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Solution

The fourth proportional to 1,461,058.17, 2,016,254.39 and 816,478.22 is: 1,126,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,058.17 : 2,016,254.39 = 816,478.22 : x
  2. Step 2: Convert to fraction form
    1,461,058.17/2,016,254.39 = 816,478.22/x
  3. Step 3: Cross multiply
    1,461,058.17x = 2,016,254.39 × 816,478.22
  4. Step 4: Simplify right side
    1,461,058.17x = 1,646,227,781,250.72
  5. Step 5: Solve for x
    x = 1,646,227,781,250.72/1,461,058.17
  6. Step 6: Final answer
    x = 1,126,736.65

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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.