Home / 903,359.70-1,243,506.78-780,795.90

Finding the Fourth Proportional to 903,359.70, 1,243,506.78 and 780,795.90

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Solution

The fourth proportional to 903,359.70, 1,243,506.78 and 780,795.90 is: 1,074,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,359.70 : 1,243,506.78 = 780,795.90 : x
  2. Step 2: Convert to fraction form
    903,359.70/1,243,506.78 = 780,795.90/x
  3. Step 3: Cross multiply
    903,359.70x = 1,243,506.78 × 780,795.90
  4. Step 4: Simplify right side
    903,359.70x = 970,924,995,446.20
  5. Step 5: Solve for x
    x = 970,924,995,446.20/903,359.70
  6. Step 6: Final answer
    x = 1,074,793.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.