Home / 1,281,089.85-1,767,842.92-700,342.94

Finding the Fourth Proportional to 1,281,089.85, 1,767,842.92 and 700,342.94

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Solution

The fourth proportional to 1,281,089.85, 1,767,842.92 and 700,342.94 is: 966,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,089.85 : 1,767,842.92 = 700,342.94 : x
  2. Step 2: Convert to fraction form
    1,281,089.85/1,767,842.92 = 700,342.94/x
  3. Step 3: Cross multiply
    1,281,089.85x = 1,767,842.92 × 700,342.94
  4. Step 4: Simplify right side
    1,281,089.85x = 1,238,096,297,460.91
  5. Step 5: Solve for x
    x = 1,238,096,297,460.91/1,281,089.85
  6. Step 6: Final answer
    x = 966,439.86

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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.