Home / 1,228,865.50-1,843,609.29-342,401.50

Finding the Fourth Proportional to 1,228,865.50, 1,843,609.29 and 342,401.50

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Solution

The fourth proportional to 1,228,865.50, 1,843,609.29 and 342,401.50 is: 513,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,865.50 : 1,843,609.29 = 342,401.50 : x
  2. Step 2: Convert to fraction form
    1,228,865.50/1,843,609.29 = 342,401.50/x
  3. Step 3: Cross multiply
    1,228,865.50x = 1,843,609.29 × 342,401.50
  4. Step 4: Simplify right side
    1,228,865.50x = 631,254,586,309.94
  5. Step 5: Solve for x
    x = 631,254,586,309.94/1,228,865.50
  6. Step 6: Final answer
    x = 513,688.92

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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.