Home / 1,031,245.05-1,423,113.21-572,365.11

Finding the Fourth Proportional to 1,031,245.05, 1,423,113.21 and 572,365.11

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Solution

The fourth proportional to 1,031,245.05, 1,423,113.21 and 572,365.11 is: 789,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,245.05 : 1,423,113.21 = 572,365.11 : x
  2. Step 2: Convert to fraction form
    1,031,245.05/1,423,113.21 = 572,365.11/x
  3. Step 3: Cross multiply
    1,031,245.05x = 1,423,113.21 × 572,365.11
  4. Step 4: Simplify right side
    1,031,245.05x = 814,540,348,984.10
  5. Step 5: Solve for x
    x = 814,540,348,984.10/1,031,245.05
  6. Step 6: Final answer
    x = 789,861.10

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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.