Home / 1,261,373.70-1,740,700.53-688,426.50

Finding the Fourth Proportional to 1,261,373.70, 1,740,700.53 and 688,426.50

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Solution

The fourth proportional to 1,261,373.70, 1,740,700.53 and 688,426.50 is: 950,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,373.70 : 1,740,700.53 = 688,426.50 : x
  2. Step 2: Convert to fraction form
    1,261,373.70/1,740,700.53 = 688,426.50/x
  3. Step 3: Cross multiply
    1,261,373.70x = 1,740,700.53 × 688,426.50
  4. Step 4: Simplify right side
    1,261,373.70x = 1,198,344,373,416.05
  5. Step 5: Solve for x
    x = 1,198,344,373,416.05/1,261,373.70
  6. Step 6: Final answer
    x = 950,031.20

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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.