Home / 1,276,254.34-1,761,242.63-703,315.06

Finding the Fourth Proportional to 1,276,254.34, 1,761,242.63 and 703,315.06

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Solution

The fourth proportional to 1,276,254.34, 1,761,242.63 and 703,315.06 is: 970,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,254.34 : 1,761,242.63 = 703,315.06 : x
  2. Step 2: Convert to fraction form
    1,276,254.34/1,761,242.63 = 703,315.06/x
  3. Step 3: Cross multiply
    1,276,254.34x = 1,761,242.63 × 703,315.06
  4. Step 4: Simplify right side
    1,276,254.34x = 1,238,708,465,993.01
  5. Step 5: Solve for x
    x = 1,238,708,465,993.01/1,276,254.34
  6. Step 6: Final answer
    x = 970,581.20

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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.