Home / 1,276,421.29-1,761,761.54-793,351.26

Finding the Fourth Proportional to 1,276,421.29, 1,761,761.54 and 793,351.26

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Solution

The fourth proportional to 1,276,421.29, 1,761,761.54 and 793,351.26 is: 1,095,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,421.29 : 1,761,761.54 = 793,351.26 : x
  2. Step 2: Convert to fraction form
    1,276,421.29/1,761,761.54 = 793,351.26/x
  3. Step 3: Cross multiply
    1,276,421.29x = 1,761,761.54 × 793,351.26
  4. Step 4: Simplify right side
    1,276,421.29x = 1,397,695,739,561.92
  5. Step 5: Solve for x
    x = 1,397,695,739,561.92/1,276,421.29
  6. Step 6: Final answer
    x = 1,095,011.30

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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.