Home / 1,276,551.10-1,761,679.84-732,786.22

Finding the Fourth Proportional to 1,276,551.10, 1,761,679.84 and 732,786.22

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Solution

The fourth proportional to 1,276,551.10, 1,761,679.84 and 732,786.22 is: 1,011,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,551.10 : 1,761,679.84 = 732,786.22 : x
  2. Step 2: Convert to fraction form
    1,276,551.10/1,761,679.84 = 732,786.22/x
  3. Step 3: Cross multiply
    1,276,551.10x = 1,761,679.84 × 732,786.22
  4. Step 4: Simplify right side
    1,276,551.10x = 1,290,934,710,803.81
  5. Step 5: Solve for x
    x = 1,290,934,710,803.81/1,276,551.10
  6. Step 6: Final answer
    x = 1,011,267.56

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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.