Home / 1,500,113.72-2,250,242.98-489,234.33

Finding the Fourth Proportional to 1,500,113.72, 2,250,242.98 and 489,234.33

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Solution

The fourth proportional to 1,500,113.72, 2,250,242.98 and 489,234.33 is: 733,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,113.72 : 2,250,242.98 = 489,234.33 : x
  2. Step 2: Convert to fraction form
    1,500,113.72/2,250,242.98 = 489,234.33/x
  3. Step 3: Cross multiply
    1,500,113.72x = 2,250,242.98 × 489,234.33
  4. Step 4: Simplify right side
    1,500,113.72x = 1,100,896,115,434.42
  5. Step 5: Solve for x
    x = 1,100,896,115,434.42/1,500,113.72
  6. Step 6: Final answer
    x = 733,875.10

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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.