Home / 1,124,311.20-1,682,967.60-649,586.40

Finding the Fourth Proportional to 1,124,311.20, 1,682,967.60 and 649,586.40

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Solution

The fourth proportional to 1,124,311.20, 1,682,967.60 and 649,586.40 is: 972,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,311.20 : 1,682,967.60 = 649,586.40 : x
  2. Step 2: Convert to fraction form
    1,124,311.20/1,682,967.60 = 649,586.40/x
  3. Step 3: Cross multiply
    1,124,311.20x = 1,682,967.60 × 649,586.40
  4. Step 4: Simplify right side
    1,124,311.20x = 1,093,232,864,600.64
  5. Step 5: Solve for x
    x = 1,093,232,864,600.64/1,124,311.20
  6. Step 6: Final answer
    x = 972,357.89

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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.