Home / 1,276,757.74-1,761,925.31-703,807.48

Finding the Fourth Proportional to 1,276,757.74, 1,761,925.31 and 703,807.48

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Solution

The fourth proportional to 1,276,757.74, 1,761,925.31 and 703,807.48 is: 971,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,757.74 : 1,761,925.31 = 703,807.48 : x
  2. Step 2: Convert to fraction form
    1,276,757.74/1,761,925.31 = 703,807.48/x
  3. Step 3: Cross multiply
    1,276,757.74x = 1,761,925.31 × 703,807.48
  4. Step 4: Simplify right side
    1,276,757.74x = 1,240,056,203,569.69
  5. Step 5: Solve for x
    x = 1,240,056,203,569.69/1,276,757.74
  6. Step 6: Final answer
    x = 971,254.11

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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.