Home / 1,209,889.50-1,669,647.51-673,472.22

Finding the Fourth Proportional to 1,209,889.50, 1,669,647.51 and 673,472.22

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Solution

The fourth proportional to 1,209,889.50, 1,669,647.51 and 673,472.22 is: 929,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,889.50 : 1,669,647.51 = 673,472.22 : x
  2. Step 2: Convert to fraction form
    1,209,889.50/1,669,647.51 = 673,472.22/x
  3. Step 3: Cross multiply
    1,209,889.50x = 1,669,647.51 × 673,472.22
  4. Step 4: Simplify right side
    1,209,889.50x = 1,124,461,215,177.17
  5. Step 5: Solve for x
    x = 1,124,461,215,177.17/1,209,889.50
  6. Step 6: Final answer
    x = 929,391.66

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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.