Home / 1,262,756.12-1,894,121.16-729,938.12

Finding the Fourth Proportional to 1,262,756.12, 1,894,121.16 and 729,938.12

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Solution

The fourth proportional to 1,262,756.12, 1,894,121.16 and 729,938.12 is: 1,094,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,756.12 : 1,894,121.16 = 729,938.12 : x
  2. Step 2: Convert to fraction form
    1,262,756.12/1,894,121.16 = 729,938.12/x
  3. Step 3: Cross multiply
    1,262,756.12x = 1,894,121.16 × 729,938.12
  4. Step 4: Simplify right side
    1,262,756.12x = 1,382,591,238,582.62
  5. Step 5: Solve for x
    x = 1,382,591,238,582.62/1,262,756.12
  6. Step 6: Final answer
    x = 1,094,899.65

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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.