Home / 1,109,638.42-1,531,294.60-600,329.86

Finding the Fourth Proportional to 1,109,638.42, 1,531,294.60 and 600,329.86

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Solution

The fourth proportional to 1,109,638.42, 1,531,294.60 and 600,329.86 is: 828,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,638.42 : 1,531,294.60 = 600,329.86 : x
  2. Step 2: Convert to fraction form
    1,109,638.42/1,531,294.60 = 600,329.86/x
  3. Step 3: Cross multiply
    1,109,638.42x = 1,531,294.60 × 600,329.86
  4. Step 4: Simplify right side
    1,109,638.42x = 919,281,872,836.76
  5. Step 5: Solve for x
    x = 919,281,872,836.76/1,109,638.42
  6. Step 6: Final answer
    x = 828,451.73

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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.