Home / 993,840.60-1,490,760.90-897,418.20

Finding the Fourth Proportional to 993,840.60, 1,490,760.90 and 897,418.20

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Solution

The fourth proportional to 993,840.60, 1,490,760.90 and 897,418.20 is: 1,346,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,840.60 : 1,490,760.90 = 897,418.20 : x
  2. Step 2: Convert to fraction form
    993,840.60/1,490,760.90 = 897,418.20/x
  3. Step 3: Cross multiply
    993,840.60x = 1,490,760.90 × 897,418.20
  4. Step 4: Simplify right side
    993,840.60x = 1,337,835,963,508.38
  5. Step 5: Solve for x
    x = 1,337,835,963,508.38/993,840.60
  6. Step 6: Final answer
    x = 1,346,127.30

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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.