Home / 1,427,422.50-1,969,663.23-782,673.03

Finding the Fourth Proportional to 1,427,422.50, 1,969,663.23 and 782,673.03

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Solution

The fourth proportional to 1,427,422.50, 1,969,663.23 and 782,673.03 is: 1,079,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,422.50 : 1,969,663.23 = 782,673.03 : x
  2. Step 2: Convert to fraction form
    1,427,422.50/1,969,663.23 = 782,673.03/x
  3. Step 3: Cross multiply
    1,427,422.50x = 1,969,663.23 × 782,673.03
  4. Step 4: Simplify right side
    1,427,422.50x = 1,541,602,288,303.69
  5. Step 5: Solve for x
    x = 1,541,602,288,303.69/1,427,422.50
  6. Step 6: Final answer
    x = 1,079,990.18

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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.