Home / 1,049,884.62-1,575,630.45-812,638.86

Finding the Fourth Proportional to 1,049,884.62, 1,575,630.45 and 812,638.86

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Solution

The fourth proportional to 1,049,884.62, 1,575,630.45 and 812,638.86 is: 1,219,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,884.62 : 1,575,630.45 = 812,638.86 : x
  2. Step 2: Convert to fraction form
    1,049,884.62/1,575,630.45 = 812,638.86/x
  3. Step 3: Cross multiply
    1,049,884.62x = 1,575,630.45 × 812,638.86
  4. Step 4: Simplify right side
    1,049,884.62x = 1,280,418,532,669.29
  5. Step 5: Solve for x
    x = 1,280,418,532,669.29/1,049,884.62
  6. Step 6: Final answer
    x = 1,219,580.24

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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.