Home / 1,755,718.40-2,632,000.80-691,486.40

Finding the Fourth Proportional to 1,755,718.40, 2,632,000.80 and 691,486.40

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Solution

The fourth proportional to 1,755,718.40, 2,632,000.80 and 691,486.40 is: 1,036,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,718.40 : 2,632,000.80 = 691,486.40 : x
  2. Step 2: Convert to fraction form
    1,755,718.40/2,632,000.80 = 691,486.40/x
  3. Step 3: Cross multiply
    1,755,718.40x = 2,632,000.80 × 691,486.40
  4. Step 4: Simplify right side
    1,755,718.40x = 1,819,992,757,989.12
  5. Step 5: Solve for x
    x = 1,819,992,757,989.12/1,755,718.40
  6. Step 6: Final answer
    x = 1,036,608.58

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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.