Home / 1,015,442.78-1,523,394.04-341,505.59

Finding the Fourth Proportional to 1,015,442.78, 1,523,394.04 and 341,505.59

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Solution

The fourth proportional to 1,015,442.78, 1,523,394.04 and 341,505.59 is: 512,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,442.78 : 1,523,394.04 = 341,505.59 : x
  2. Step 2: Convert to fraction form
    1,015,442.78/1,523,394.04 = 341,505.59/x
  3. Step 3: Cross multiply
    1,015,442.78x = 1,523,394.04 × 341,505.59
  4. Step 4: Simplify right side
    1,015,442.78x = 520,247,583,387.41
  5. Step 5: Solve for x
    x = 520,247,583,387.41/1,015,442.78
  6. Step 6: Final answer
    x = 512,335.69

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1.5x scale

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.