Home / 1,381,677.06-1,906,638.26-761,360.06

Finding the Fourth Proportional to 1,381,677.06, 1,906,638.26 and 761,360.06

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Solution

The fourth proportional to 1,381,677.06, 1,906,638.26 and 761,360.06 is: 1,050,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,677.06 : 1,906,638.26 = 761,360.06 : x
  2. Step 2: Convert to fraction form
    1,381,677.06/1,906,638.26 = 761,360.06/x
  3. Step 3: Cross multiply
    1,381,677.06x = 1,906,638.26 × 761,360.06
  4. Step 4: Simplify right side
    1,381,677.06x = 1,451,638,220,031.90
  5. Step 5: Solve for x
    x = 1,451,638,220,031.90/1,381,677.06
  6. Step 6: Final answer
    x = 1,050,634.96

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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.