Home / 1,959,414.03-2,939,306.81-761,428.89

Finding the Fourth Proportional to 1,959,414.03, 2,939,306.81 and 761,428.89

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Solution

The fourth proportional to 1,959,414.03, 2,939,306.81 and 761,428.89 is: 1,142,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,414.03 : 2,939,306.81 = 761,428.89 : x
  2. Step 2: Convert to fraction form
    1,959,414.03/2,939,306.81 = 761,428.89/x
  3. Step 3: Cross multiply
    1,959,414.03x = 2,939,306.81 × 761,428.89
  4. Step 4: Simplify right side
    1,959,414.03x = 2,238,073,117,900.60
  5. Step 5: Solve for x
    x = 2,238,073,117,900.60/1,959,414.03
  6. Step 6: Final answer
    x = 1,142,215.52

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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.