Home / 1,418,621.10-2,127,931.65-672,125.10

Finding the Fourth Proportional to 1,418,621.10, 2,127,931.65 and 672,125.10

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Solution

The fourth proportional to 1,418,621.10, 2,127,931.65 and 672,125.10 is: 1,008,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,621.10 : 2,127,931.65 = 672,125.10 : x
  2. Step 2: Convert to fraction form
    1,418,621.10/2,127,931.65 = 672,125.10/x
  3. Step 3: Cross multiply
    1,418,621.10x = 2,127,931.65 × 672,125.10
  4. Step 4: Simplify right side
    1,418,621.10x = 1,430,236,273,049.41
  5. Step 5: Solve for x
    x = 1,430,236,273,049.41/1,418,621.10
  6. Step 6: Final answer
    x = 1,008,187.65

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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.