Home / 1,506,691.42-2,079,249.42-818,376.72

Finding the Fourth Proportional to 1,506,691.42, 2,079,249.42 and 818,376.72

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Solution

The fourth proportional to 1,506,691.42, 2,079,249.42 and 818,376.72 is: 1,129,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,691.42 : 2,079,249.42 = 818,376.72 : x
  2. Step 2: Convert to fraction form
    1,506,691.42/2,079,249.42 = 818,376.72/x
  3. Step 3: Cross multiply
    1,506,691.42x = 2,079,249.42 × 818,376.72
  4. Step 4: Simplify right side
    1,506,691.42x = 1,701,609,313,157.44
  5. Step 5: Solve for x
    x = 1,701,609,313,157.44/1,506,691.42
  6. Step 6: Final answer
    x = 1,129,368.16

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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.