Home / 1,165,087.20-1,747,688.40-605,215.20

Finding the Fourth Proportional to 1,165,087.20, 1,747,688.40 and 605,215.20

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Solution

The fourth proportional to 1,165,087.20, 1,747,688.40 and 605,215.20 is: 907,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,087.20 : 1,747,688.40 = 605,215.20 : x
  2. Step 2: Convert to fraction form
    1,165,087.20/1,747,688.40 = 605,215.20/x
  3. Step 3: Cross multiply
    1,165,087.20x = 1,747,688.40 × 605,215.20
  4. Step 4: Simplify right side
    1,165,087.20x = 1,057,727,584,543.68
  5. Step 5: Solve for x
    x = 1,057,727,584,543.68/1,165,087.20
  6. Step 6: Final answer
    x = 907,852.72

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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.