Home / 1,288,793.70-1,935,256.05-1,024,749.90

Finding the Fourth Proportional to 1,288,793.70, 1,935,256.05 and 1,024,749.90

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Solution

The fourth proportional to 1,288,793.70, 1,935,256.05 and 1,024,749.90 is: 1,538,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,793.70 : 1,935,256.05 = 1,024,749.90 : x
  2. Step 2: Convert to fraction form
    1,288,793.70/1,935,256.05 = 1,024,749.90/x
  3. Step 3: Cross multiply
    1,288,793.70x = 1,935,256.05 × 1,024,749.90
  4. Step 4: Simplify right side
    1,288,793.70x = 1,983,153,443,711.90
  5. Step 5: Solve for x
    x = 1,983,153,443,711.90/1,288,793.70
  6. Step 6: Final answer
    x = 1,538,767.18

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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.