Home / 1,126,175.52-1,689,512.40-620,476.08

Finding the Fourth Proportional to 1,126,175.52, 1,689,512.40 and 620,476.08

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Solution

The fourth proportional to 1,126,175.52, 1,689,512.40 and 620,476.08 is: 930,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,175.52 : 1,689,512.40 = 620,476.08 : x
  2. Step 2: Convert to fraction form
    1,126,175.52/1,689,512.40 = 620,476.08/x
  3. Step 3: Cross multiply
    1,126,175.52x = 1,689,512.40 × 620,476.08
  4. Step 4: Simplify right side
    1,126,175.52x = 1,048,302,031,063.39
  5. Step 5: Solve for x
    x = 1,048,302,031,063.39/1,126,175.52
  6. Step 6: Final answer
    x = 930,851.37

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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.