Home / 1,148,478.75-1,722,586.82-307,096.11

Finding the Fourth Proportional to 1,148,478.75, 1,722,586.82 and 307,096.11

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Solution

The fourth proportional to 1,148,478.75, 1,722,586.82 and 307,096.11 is: 460,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,478.75 : 1,722,586.82 = 307,096.11 : x
  2. Step 2: Convert to fraction form
    1,148,478.75/1,722,586.82 = 307,096.11/x
  3. Step 3: Cross multiply
    1,148,478.75x = 1,722,586.82 × 307,096.11
  4. Step 4: Simplify right side
    1,148,478.75x = 528,999,710,023.79
  5. Step 5: Solve for x
    x = 528,999,710,023.79/1,148,478.75
  6. Step 6: Final answer
    x = 460,609.05

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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.