Home / 989,352.20-1,482,278.70-838,886.60

Finding the Fourth Proportional to 989,352.20, 1,482,278.70 and 838,886.60

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Solution

The fourth proportional to 989,352.20, 1,482,278.70 and 838,886.60 is: 1,256,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,352.20 : 1,482,278.70 = 838,886.60 : x
  2. Step 2: Convert to fraction form
    989,352.20/1,482,278.70 = 838,886.60/x
  3. Step 3: Cross multiply
    989,352.20x = 1,482,278.70 × 838,886.60
  4. Step 4: Simplify right side
    989,352.20x = 1,243,463,738,895.42
  5. Step 5: Solve for x
    x = 1,243,463,738,895.42/989,352.20
  6. Step 6: Final answer
    x = 1,256,846.39

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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.