Home / 1,276,266-1,761,239.52-695,487.90

Finding the Fourth Proportional to 1,276,266, 1,761,239.52 and 695,487.90

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Solution

The fourth proportional to 1,276,266, 1,761,239.52 and 695,487.90 is: 959,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,266 : 1,761,239.52 = 695,487.90 : x
  2. Step 2: Convert to fraction form
    1,276,266/1,761,239.52 = 695,487.90/x
  3. Step 3: Cross multiply
    1,276,266x = 1,761,239.52 × 695,487.90
  4. Step 4: Simplify right side
    1,276,266x = 1,224,920,775,161.81
  5. Step 5: Solve for x
    x = 1,224,920,775,161.81/1,276,266
  6. Step 6: Final answer
    x = 959,769.18

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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.