Home / 1,037,882.96-1,431,951.72-819,403.28

Finding the Fourth Proportional to 1,037,882.96, 1,431,951.72 and 819,403.28

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Solution

The fourth proportional to 1,037,882.96, 1,431,951.72 and 819,403.28 is: 1,130,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,882.96 : 1,431,951.72 = 819,403.28 : x
  2. Step 2: Convert to fraction form
    1,037,882.96/1,431,951.72 = 819,403.28/x
  3. Step 3: Cross multiply
    1,037,882.96x = 1,431,951.72 × 819,403.28
  4. Step 4: Simplify right side
    1,037,882.96x = 1,173,345,936,169.64
  5. Step 5: Solve for x
    x = 1,173,345,936,169.64/1,037,882.96
  6. Step 6: Final answer
    x = 1,130,518.55

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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.