Home / 1,778,045.55-2,667,068.33-780,773.55

Finding the Fourth Proportional to 1,778,045.55, 2,667,068.33 and 780,773.55

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Solution

The fourth proportional to 1,778,045.55, 2,667,068.33 and 780,773.55 is: 1,171,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,045.55 : 2,667,068.33 = 780,773.55 : x
  2. Step 2: Convert to fraction form
    1,778,045.55/2,667,068.33 = 780,773.55/x
  3. Step 3: Cross multiply
    1,778,045.55x = 2,667,068.33 × 780,773.55
  4. Step 4: Simplify right side
    1,778,045.55x = 2,082,376,404,202.80
  5. Step 5: Solve for x
    x = 2,082,376,404,202.80/1,778,045.55
  6. Step 6: Final answer
    x = 1,171,160.33

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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.