Home / 1,245,690.42-1,719,052.69-672,730.53

Finding the Fourth Proportional to 1,245,690.42, 1,719,052.69 and 672,730.53

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Solution

The fourth proportional to 1,245,690.42, 1,719,052.69 and 672,730.53 is: 928,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,690.42 : 1,719,052.69 = 672,730.53 : x
  2. Step 2: Convert to fraction form
    1,245,690.42/1,719,052.69 = 672,730.53/x
  3. Step 3: Cross multiply
    1,245,690.42x = 1,719,052.69 × 672,730.53
  4. Step 4: Simplify right side
    1,245,690.42x = 1,156,459,227,241.63
  5. Step 5: Solve for x
    x = 1,156,459,227,241.63/1,245,690.42
  6. Step 6: Final answer
    x = 928,368.08

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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.