Home / 1,264,712.67-1,745,266.50-691,740.54

Finding the Fourth Proportional to 1,264,712.67, 1,745,266.50 and 691,740.54

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Solution

The fourth proportional to 1,264,712.67, 1,745,266.50 and 691,740.54 is: 954,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,712.67 : 1,745,266.50 = 691,740.54 : x
  2. Step 2: Convert to fraction form
    1,264,712.67/1,745,266.50 = 691,740.54/x
  3. Step 3: Cross multiply
    1,264,712.67x = 1,745,266.50 × 691,740.54
  4. Step 4: Simplify right side
    1,264,712.67x = 1,207,271,591,153.91
  5. Step 5: Solve for x
    x = 1,207,271,591,153.91/1,264,712.67
  6. Step 6: Final answer
    x = 954,581.72

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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.