Home / 1,296,122.10-1,940,781.15-914,984.70

Finding the Fourth Proportional to 1,296,122.10, 1,940,781.15 and 914,984.70

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Solution

The fourth proportional to 1,296,122.10, 1,940,781.15 and 914,984.70 is: 1,370,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,122.10 : 1,940,781.15 = 914,984.70 : x
  2. Step 2: Convert to fraction form
    1,296,122.10/1,940,781.15 = 914,984.70/x
  3. Step 3: Cross multiply
    1,296,122.10x = 1,940,781.15 × 914,984.70
  4. Step 4: Simplify right side
    1,296,122.10x = 1,775,785,058,298.40
  5. Step 5: Solve for x
    x = 1,775,785,058,298.40/1,296,122.10
  6. Step 6: Final answer
    x = 1,370,075.44

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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.