Home / 1,123,354.25-1,685,031.38-375,400.25

Finding the Fourth Proportional to 1,123,354.25, 1,685,031.38 and 375,400.25

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Solution

The fourth proportional to 1,123,354.25, 1,685,031.38 and 375,400.25 is: 563,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,354.25 : 1,685,031.38 = 375,400.25 : x
  2. Step 2: Convert to fraction form
    1,123,354.25/1,685,031.38 = 375,400.25/x
  3. Step 3: Cross multiply
    1,123,354.25x = 1,685,031.38 × 375,400.25
  4. Step 4: Simplify right side
    1,123,354.25x = 632,561,201,309.85
  5. Step 5: Solve for x
    x = 632,561,201,309.85/1,123,354.25
  6. Step 6: Final answer
    x = 563,100.38

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Similar ratio
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1.5x scale

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.