Home / 1,241,508.56-1,860,938.78-707,880.56

Finding the Fourth Proportional to 1,241,508.56, 1,860,938.78 and 707,880.56

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Solution

The fourth proportional to 1,241,508.56, 1,860,938.78 and 707,880.56 is: 1,061,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,508.56 : 1,860,938.78 = 707,880.56 : x
  2. Step 2: Convert to fraction form
    1,241,508.56/1,860,938.78 = 707,880.56/x
  3. Step 3: Cross multiply
    1,241,508.56x = 1,860,938.78 × 707,880.56
  4. Step 4: Simplify right side
    1,241,508.56x = 1,317,322,372,868.02
  5. Step 5: Solve for x
    x = 1,317,322,372,868.02/1,241,508.56
  6. Step 6: Final answer
    x = 1,061,065.88

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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.