Home / 1,461,068.45-2,016,277.19-816,488.64

Finding the Fourth Proportional to 1,461,068.45, 2,016,277.19 and 816,488.64

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Solution

The fourth proportional to 1,461,068.45, 2,016,277.19 and 816,488.64 is: 1,126,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,068.45 : 2,016,277.19 = 816,488.64 : x
  2. Step 2: Convert to fraction form
    1,461,068.45/2,016,277.19 = 816,488.64/x
  3. Step 3: Cross multiply
    1,461,068.45x = 2,016,277.19 × 816,488.64
  4. Step 4: Simplify right side
    1,461,068.45x = 1,646,267,420,726.12
  5. Step 5: Solve for x
    x = 1,646,267,420,726.12/1,461,068.45
  6. Step 6: Final answer
    x = 1,126,755.85

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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.