Home / 1,427,274.18-1,969,665.44-782,655.93

Finding the Fourth Proportional to 1,427,274.18, 1,969,665.44 and 782,655.93

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Solution

The fourth proportional to 1,427,274.18, 1,969,665.44 and 782,655.93 is: 1,080,080.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,274.18 : 1,969,665.44 = 782,655.93 : x
  2. Step 2: Convert to fraction form
    1,427,274.18/1,969,665.44 = 782,655.93/x
  3. Step 3: Cross multiply
    1,427,274.18x = 1,969,665.44 × 782,655.93
  4. Step 4: Simplify right side
    1,427,274.18x = 1,541,570,332,818.78
  5. Step 5: Solve for x
    x = 1,541,570,332,818.78/1,427,274.18
  6. Step 6: Final answer
    x = 1,080,080.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.