Home / 996,420.30-1,494,630.45-987,089.10

Finding the Fourth Proportional to 996,420.30, 1,494,630.45 and 987,089.10

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Solution

The fourth proportional to 996,420.30, 1,494,630.45 and 987,089.10 is: 1,480,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,420.30 : 1,494,630.45 = 987,089.10 : x
  2. Step 2: Convert to fraction form
    996,420.30/1,494,630.45 = 987,089.10/x
  3. Step 3: Cross multiply
    996,420.30x = 1,494,630.45 × 987,089.10
  4. Step 4: Simplify right side
    996,420.30x = 1,475,333,425,723.10
  5. Step 5: Solve for x
    x = 1,475,333,425,723.10/996,420.30
  6. Step 6: Final answer
    x = 1,480,633.65

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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.