Home / 1,472,029.40-2,031,411.78-818,664.60

Finding the Fourth Proportional to 1,472,029.40, 2,031,411.78 and 818,664.60

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Solution

The fourth proportional to 1,472,029.40, 2,031,411.78 and 818,664.60 is: 1,129,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,029.40 : 2,031,411.78 = 818,664.60 : x
  2. Step 2: Convert to fraction form
    1,472,029.40/2,031,411.78 = 818,664.60/x
  3. Step 3: Cross multiply
    1,472,029.40x = 2,031,411.78 × 818,664.60
  4. Step 4: Simplify right side
    1,472,029.40x = 1,663,044,912,308.99
  5. Step 5: Solve for x
    x = 1,663,044,912,308.99/1,472,029.40
  6. Step 6: Final answer
    x = 1,129,763.38

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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.