Home / 1,371,690.42-1,892,932.47-759,882.78

Finding the Fourth Proportional to 1,371,690.42, 1,892,932.47 and 759,882.78

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Solution

The fourth proportional to 1,371,690.42, 1,892,932.47 and 759,882.78 is: 1,048,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,690.42 : 1,892,932.47 = 759,882.78 : x
  2. Step 2: Convert to fraction form
    1,371,690.42/1,892,932.47 = 759,882.78/x
  3. Step 3: Cross multiply
    1,371,690.42x = 1,892,932.47 × 759,882.78
  4. Step 4: Simplify right side
    1,371,690.42x = 1,438,406,787,655.87
  5. Step 5: Solve for x
    x = 1,438,406,787,655.87/1,371,690.42
  6. Step 6: Final answer
    x = 1,048,638.06

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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.