Home / 987,450.02-1,478,645.10-683,423

Finding the Fourth Proportional to 987,450.02, 1,478,645.10 and 683,423

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Solution

The fourth proportional to 987,450.02, 1,478,645.10 and 683,423 is: 1,023,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,450.02 : 1,478,645.10 = 683,423 : x
  2. Step 2: Convert to fraction form
    987,450.02/1,478,645.10 = 683,423/x
  3. Step 3: Cross multiply
    987,450.02x = 1,478,645.10 × 683,423
  4. Step 4: Simplify right side
    987,450.02x = 1,010,540,070,177.30
  5. Step 5: Solve for x
    x = 1,010,540,070,177.30/987,450.02
  6. Step 6: Final answer
    x = 1,023,383.51

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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.