Home / 1,276,402.90-1,761,436.01-703,443.08

Finding the Fourth Proportional to 1,276,402.90, 1,761,436.01 and 703,443.08

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Solution

The fourth proportional to 1,276,402.90, 1,761,436.01 and 703,443.08 is: 970,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,402.90 : 1,761,436.01 = 703,443.08 : x
  2. Step 2: Convert to fraction form
    1,276,402.90/1,761,436.01 = 703,443.08/x
  3. Step 3: Cross multiply
    1,276,402.90x = 1,761,436.01 × 703,443.08
  4. Step 4: Simplify right side
    1,276,402.90x = 1,239,069,972,097.31
  5. Step 5: Solve for x
    x = 1,239,069,972,097.31/1,276,402.90
  6. Step 6: Final answer
    x = 970,751.45

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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.