Home / 1,265,423.60-1,898,333.34-412,297.20

Finding the Fourth Proportional to 1,265,423.60, 1,898,333.34 and 412,297.20

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Solution

The fourth proportional to 1,265,423.60, 1,898,333.34 and 412,297.20 is: 618,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,423.60 : 1,898,333.34 = 412,297.20 : x
  2. Step 2: Convert to fraction form
    1,265,423.60/1,898,333.34 = 412,297.20/x
  3. Step 3: Cross multiply
    1,265,423.60x = 1,898,333.34 × 412,297.20
  4. Step 4: Simplify right side
    1,265,423.60x = 782,677,520,748.65
  5. Step 5: Solve for x
    x = 782,677,520,748.65/1,265,423.60
  6. Step 6: Final answer
    x = 618,510.29

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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.