Home / 879,885.20-1,318,515.60-746,040.80

Finding the Fourth Proportional to 879,885.20, 1,318,515.60 and 746,040.80

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Solution

The fourth proportional to 879,885.20, 1,318,515.60 and 746,040.80 is: 1,117,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,885.20 : 1,318,515.60 = 746,040.80 : x
  2. Step 2: Convert to fraction form
    879,885.20/1,318,515.60 = 746,040.80/x
  3. Step 3: Cross multiply
    879,885.20x = 1,318,515.60 × 746,040.80
  4. Step 4: Simplify right side
    879,885.20x = 983,666,433,036.48
  5. Step 5: Solve for x
    x = 983,666,433,036.48/879,885.20
  6. Step 6: Final answer
    x = 1,117,948.61

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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.