Home / 1,261,912.75-1,741,430.62-688,952.93

Finding the Fourth Proportional to 1,261,912.75, 1,741,430.62 and 688,952.93

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Solution

The fourth proportional to 1,261,912.75, 1,741,430.62 and 688,952.93 is: 950,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,912.75 : 1,741,430.62 = 688,952.93 : x
  2. Step 2: Convert to fraction form
    1,261,912.75/1,741,430.62 = 688,952.93/x
  3. Step 3: Cross multiply
    1,261,912.75x = 1,741,430.62 × 688,952.93
  4. Step 4: Simplify right side
    1,261,912.75x = 1,199,763,717,913.81
  5. Step 5: Solve for x
    x = 1,199,763,717,913.81/1,261,912.75
  6. Step 6: Final answer
    x = 950,750.13

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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.