Home / 1,253,441.50-1,880,432.12-388,858.89

Finding the Fourth Proportional to 1,253,441.50, 1,880,432.12 and 388,858.89

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Solution

The fourth proportional to 1,253,441.50, 1,880,432.12 and 388,858.89 is: 583,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,441.50 : 1,880,432.12 = 388,858.89 : x
  2. Step 2: Convert to fraction form
    1,253,441.50/1,880,432.12 = 388,858.89/x
  3. Step 3: Cross multiply
    1,253,441.50x = 1,880,432.12 × 388,858.89
  4. Step 4: Simplify right side
    1,253,441.50x = 731,222,746,903.55
  5. Step 5: Solve for x
    x = 731,222,746,903.55/1,253,441.50
  6. Step 6: Final answer
    x = 583,372.06

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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.