Home / 1,506,874.72-2,079,478.56-827,796.64

Finding the Fourth Proportional to 1,506,874.72, 2,079,478.56 and 827,796.64

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Solution

The fourth proportional to 1,506,874.72, 2,079,478.56 and 827,796.64 is: 1,142,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,874.72 : 2,079,478.56 = 827,796.64 : x
  2. Step 2: Convert to fraction form
    1,506,874.72/2,079,478.56 = 827,796.64/x
  3. Step 3: Cross multiply
    1,506,874.72x = 2,079,478.56 × 827,796.64
  4. Step 4: Simplify right side
    1,506,874.72x = 1,721,385,364,920.04
  5. Step 5: Solve for x
    x = 1,721,385,364,920.04/1,506,874.72
  6. Step 6: Final answer
    x = 1,142,354.66

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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.