Home / 1,037,045.28-1,556,049.08-438,146.28

Finding the Fourth Proportional to 1,037,045.28, 1,556,049.08 and 438,146.28

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Solution

The fourth proportional to 1,037,045.28, 1,556,049.08 and 438,146.28 is: 657,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,045.28 : 1,556,049.08 = 438,146.28 : x
  2. Step 2: Convert to fraction form
    1,037,045.28/1,556,049.08 = 438,146.28/x
  3. Step 3: Cross multiply
    1,037,045.28x = 1,556,049.08 × 438,146.28
  4. Step 4: Simplify right side
    1,037,045.28x = 681,777,115,899.42
  5. Step 5: Solve for x
    x = 681,777,115,899.42/1,037,045.28
  6. Step 6: Final answer
    x = 657,422.71

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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.