Home / 993,937.20-1,490,905.80-836,473.20

Finding the Fourth Proportional to 993,937.20, 1,490,905.80 and 836,473.20

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Solution

The fourth proportional to 993,937.20, 1,490,905.80 and 836,473.20 is: 1,254,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,937.20 : 1,490,905.80 = 836,473.20 : x
  2. Step 2: Convert to fraction form
    993,937.20/1,490,905.80 = 836,473.20/x
  3. Step 3: Cross multiply
    993,937.20x = 1,490,905.80 × 836,473.20
  4. Step 4: Simplify right side
    993,937.20x = 1,247,102,745,424.56
  5. Step 5: Solve for x
    x = 1,247,102,745,424.56/993,937.20
  6. Step 6: Final answer
    x = 1,254,709.80

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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.