Home / 1,012,920.18-1,404,222.55-958,988.76

Finding the Fourth Proportional to 1,012,920.18, 1,404,222.55 and 958,988.76

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Solution

The fourth proportional to 1,012,920.18, 1,404,222.55 and 958,988.76 is: 1,329,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,920.18 : 1,404,222.55 = 958,988.76 : x
  2. Step 2: Convert to fraction form
    1,012,920.18/1,404,222.55 = 958,988.76/x
  3. Step 3: Cross multiply
    1,012,920.18x = 1,404,222.55 × 958,988.76
  4. Step 4: Simplify right side
    1,012,920.18x = 1,346,633,641,988.54
  5. Step 5: Solve for x
    x = 1,346,633,641,988.54/1,012,920.18
  6. Step 6: Final answer
    x = 1,329,456.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.