Home / 1,236,947.10-1,856,803.05-1,155,731.10

Finding the Fourth Proportional to 1,236,947.10, 1,856,803.05 and 1,155,731.10

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Solution

The fourth proportional to 1,236,947.10, 1,856,803.05 and 1,155,731.10 is: 1,734,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,947.10 : 1,856,803.05 = 1,155,731.10 : x
  2. Step 2: Convert to fraction form
    1,236,947.10/1,856,803.05 = 1,155,731.10/x
  3. Step 3: Cross multiply
    1,236,947.10x = 1,856,803.05 × 1,155,731.10
  4. Step 4: Simplify right side
    1,236,947.10x = 2,145,965,031,459.86
  5. Step 5: Solve for x
    x = 2,145,965,031,459.86/1,236,947.10
  6. Step 6: Final answer
    x = 1,734,888.28

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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.