Home / 1,791,019.20-2,686,512.48-725,808

Finding the Fourth Proportional to 1,791,019.20, 2,686,512.48 and 725,808

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Solution

The fourth proportional to 1,791,019.20, 2,686,512.48 and 725,808 is: 1,088,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,019.20 : 2,686,512.48 = 725,808 : x
  2. Step 2: Convert to fraction form
    1,791,019.20/2,686,512.48 = 725,808/x
  3. Step 3: Cross multiply
    1,791,019.20x = 2,686,512.48 × 725,808
  4. Step 4: Simplify right side
    1,791,019.20x = 1,949,892,250,083.84
  5. Step 5: Solve for x
    x = 1,949,892,250,083.84/1,791,019.20
  6. Step 6: Final answer
    x = 1,088,705.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.