Home / 1,300,876.68-1,952,147.90-702,254.69

Finding the Fourth Proportional to 1,300,876.68, 1,952,147.90 and 702,254.69

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Solution

The fourth proportional to 1,300,876.68, 1,952,147.90 and 702,254.69 is: 1,053,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,876.68 : 1,952,147.90 = 702,254.69 : x
  2. Step 2: Convert to fraction form
    1,300,876.68/1,952,147.90 = 702,254.69/x
  3. Step 3: Cross multiply
    1,300,876.68x = 1,952,147.90 × 702,254.69
  4. Step 4: Simplify right side
    1,300,876.68x = 1,370,905,010,343.55
  5. Step 5: Solve for x
    x = 1,370,905,010,343.55/1,300,876.68
  6. Step 6: Final answer
    x = 1,053,831.64

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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.