Home / 896,438.14-1,342,442.87-668,186.42

Finding the Fourth Proportional to 896,438.14, 1,342,442.87 and 668,186.42

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Solution

The fourth proportional to 896,438.14, 1,342,442.87 and 668,186.42 is: 1,000,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,438.14 : 1,342,442.87 = 668,186.42 : x
  2. Step 2: Convert to fraction form
    896,438.14/1,342,442.87 = 668,186.42/x
  3. Step 3: Cross multiply
    896,438.14x = 1,342,442.87 × 668,186.42
  4. Step 4: Simplify right side
    896,438.14x = 897,002,087,812.38
  5. Step 5: Solve for x
    x = 897,002,087,812.38/896,438.14
  6. Step 6: Final answer
    x = 1,000,629.10

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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.