Home / 1,402,279.12-2,105,286.76-948,394.72

Finding the Fourth Proportional to 1,402,279.12, 2,105,286.76 and 948,394.72

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Solution

The fourth proportional to 1,402,279.12, 2,105,286.76 and 948,394.72 is: 1,423,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,279.12 : 2,105,286.76 = 948,394.72 : x
  2. Step 2: Convert to fraction form
    1,402,279.12/2,105,286.76 = 948,394.72/x
  3. Step 3: Cross multiply
    1,402,279.12x = 2,105,286.76 × 948,394.72
  4. Step 4: Simplify right side
    1,402,279.12x = 1,996,642,847,269.91
  5. Step 5: Solve for x
    x = 1,996,642,847,269.91/1,402,279.12
  6. Step 6: Final answer
    x = 1,423,855.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.