Home / 1,366,301.70-2,049,452.55-1,272,989.70

Finding the Fourth Proportional to 1,366,301.70, 2,049,452.55 and 1,272,989.70

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Solution

The fourth proportional to 1,366,301.70, 2,049,452.55 and 1,272,989.70 is: 1,909,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,301.70 : 2,049,452.55 = 1,272,989.70 : x
  2. Step 2: Convert to fraction form
    1,366,301.70/2,049,452.55 = 1,272,989.70/x
  3. Step 3: Cross multiply
    1,366,301.70x = 2,049,452.55 × 1,272,989.70
  4. Step 4: Simplify right side
    1,366,301.70x = 2,608,931,986,788.74
  5. Step 5: Solve for x
    x = 2,608,931,986,788.74/1,366,301.70
  6. Step 6: Final answer
    x = 1,909,484.55

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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.