Home / 788,981.40-1,183,472.10-705,000.60

Finding the Fourth Proportional to 788,981.40, 1,183,472.10 and 705,000.60

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Solution

The fourth proportional to 788,981.40, 1,183,472.10 and 705,000.60 is: 1,057,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,981.40 : 1,183,472.10 = 705,000.60 : x
  2. Step 2: Convert to fraction form
    788,981.40/1,183,472.10 = 705,000.60/x
  3. Step 3: Cross multiply
    788,981.40x = 1,183,472.10 × 705,000.60
  4. Step 4: Simplify right side
    788,981.40x = 834,348,540,583.26
  5. Step 5: Solve for x
    x = 834,348,540,583.26/788,981.40
  6. Step 6: Final answer
    x = 1,057,500.90

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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.