Home / 1,329,042.40-1,834,062.15-756,081.34

Finding the Fourth Proportional to 1,329,042.40, 1,834,062.15 and 756,081.34

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Solution

The fourth proportional to 1,329,042.40, 1,834,062.15 and 756,081.34 is: 1,043,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,042.40 : 1,834,062.15 = 756,081.34 : x
  2. Step 2: Convert to fraction form
    1,329,042.40/1,834,062.15 = 756,081.34/x
  3. Step 3: Cross multiply
    1,329,042.40x = 1,834,062.15 × 756,081.34
  4. Step 4: Simplify right side
    1,329,042.40x = 1,386,700,168,015.28
  5. Step 5: Solve for x
    x = 1,386,700,168,015.28/1,329,042.40
  6. Step 6: Final answer
    x = 1,043,382.94

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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.