Home / 1,560,356.72-2,339,601.06-648,439.54

Finding the Fourth Proportional to 1,560,356.72, 2,339,601.06 and 648,439.54

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Solution

The fourth proportional to 1,560,356.72, 2,339,601.06 and 648,439.54 is: 972,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,356.72 : 2,339,601.06 = 648,439.54 : x
  2. Step 2: Convert to fraction form
    1,560,356.72/2,339,601.06 = 648,439.54/x
  3. Step 3: Cross multiply
    1,560,356.72x = 2,339,601.06 × 648,439.54
  4. Step 4: Simplify right side
    1,560,356.72x = 1,517,089,835,129.91
  5. Step 5: Solve for x
    x = 1,517,089,835,129.91/1,560,356.72
  6. Step 6: Final answer
    x = 972,271.16

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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.