Home / 1,558,510.20-2,337,677.82-421,255.62

Finding the Fourth Proportional to 1,558,510.20, 2,337,677.82 and 421,255.62

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Solution

The fourth proportional to 1,558,510.20, 2,337,677.82 and 421,255.62 is: 631,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,510.20 : 2,337,677.82 = 421,255.62 : x
  2. Step 2: Convert to fraction form
    1,558,510.20/2,337,677.82 = 421,255.62/x
  3. Step 3: Cross multiply
    1,558,510.20x = 2,337,677.82 × 421,255.62
  4. Step 4: Simplify right side
    1,558,510.20x = 984,759,919,424.35
  5. Step 5: Solve for x
    x = 984,759,919,424.35/1,558,510.20
  6. Step 6: Final answer
    x = 631,859.78

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1.5x scale

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.