Home / 1,296,612.70-1,943,266.65-727,992.70

Finding the Fourth Proportional to 1,296,612.70, 1,943,266.65 and 727,992.70

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Solution

The fourth proportional to 1,296,612.70, 1,943,266.65 and 727,992.70 is: 1,091,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,612.70 : 1,943,266.65 = 727,992.70 : x
  2. Step 2: Convert to fraction form
    1,296,612.70/1,943,266.65 = 727,992.70/x
  3. Step 3: Cross multiply
    1,296,612.70x = 1,943,266.65 × 727,992.70
  4. Step 4: Simplify right side
    1,296,612.70x = 1,414,683,935,353.45
  5. Step 5: Solve for x
    x = 1,414,683,935,353.45/1,296,612.70
  6. Step 6: Final answer
    x = 1,091,061.30

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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.