Home / 1,276,337.30-1,761,357.49-703,398.42

Finding the Fourth Proportional to 1,276,337.30, 1,761,357.49 and 703,398.42

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Solution

The fourth proportional to 1,276,337.30, 1,761,357.49 and 703,398.42 is: 970,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,337.30 : 1,761,357.49 = 703,398.42 : x
  2. Step 2: Convert to fraction form
    1,276,337.30/1,761,357.49 = 703,398.42/x
  3. Step 3: Cross multiply
    1,276,337.30x = 1,761,357.49 × 703,398.42
  4. Step 4: Simplify right side
    1,276,337.30x = 1,238,936,075,521.17
  5. Step 5: Solve for x
    x = 1,238,936,075,521.17/1,276,337.30
  6. Step 6: Final answer
    x = 970,696.44

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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.