Home / 1,712,415.54-2,364,721.89-1,281,948.42

Finding the Fourth Proportional to 1,712,415.54, 2,364,721.89 and 1,281,948.42

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Solution

The fourth proportional to 1,712,415.54, 2,364,721.89 and 1,281,948.42 is: 1,770,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,415.54 : 2,364,721.89 = 1,281,948.42 : x
  2. Step 2: Convert to fraction form
    1,712,415.54/2,364,721.89 = 1,281,948.42/x
  3. Step 3: Cross multiply
    1,712,415.54x = 2,364,721.89 × 1,281,948.42
  4. Step 4: Simplify right side
    1,712,415.54x = 3,031,451,490,624.91
  5. Step 5: Solve for x
    x = 3,031,451,490,624.91/1,712,415.54
  6. Step 6: Final answer
    x = 1,770,277.96

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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.