Home / 1,430,508.72-2,144,429.40-483,217.20

Finding the Fourth Proportional to 1,430,508.72, 2,144,429.40 and 483,217.20

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Solution

The fourth proportional to 1,430,508.72, 2,144,429.40 and 483,217.20 is: 724,375.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,508.72 : 2,144,429.40 = 483,217.20 : x
  2. Step 2: Convert to fraction form
    1,430,508.72/2,144,429.40 = 483,217.20/x
  3. Step 3: Cross multiply
    1,430,508.72x = 2,144,429.40 × 483,217.20
  4. Step 4: Simplify right side
    1,430,508.72x = 1,036,225,170,265.68
  5. Step 5: Solve for x
    x = 1,036,225,170,265.68/1,430,508.72
  6. Step 6: Final answer
    x = 724,375.29

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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.