Home / 1,123,419.80-1,685,348.40-483,722.30

Finding the Fourth Proportional to 1,123,419.80, 1,685,348.40 and 483,722.30

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Solution

The fourth proportional to 1,123,419.80, 1,685,348.40 and 483,722.30 is: 725,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,419.80 : 1,685,348.40 = 483,722.30 : x
  2. Step 2: Convert to fraction form
    1,123,419.80/1,685,348.40 = 483,722.30/x
  3. Step 3: Cross multiply
    1,123,419.80x = 1,685,348.40 × 483,722.30
  4. Step 4: Simplify right side
    1,123,419.80x = 815,240,604,349.32
  5. Step 5: Solve for x
    x = 815,240,604,349.32/1,123,419.80
  6. Step 6: Final answer
    x = 725,677.62

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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.