Home / 1,296,319.20-1,944,478.80-349,785.60

Finding the Fourth Proportional to 1,296,319.20, 1,944,478.80 and 349,785.60

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Solution

The fourth proportional to 1,296,319.20, 1,944,478.80 and 349,785.60 is: 524,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,319.20 : 1,944,478.80 = 349,785.60 : x
  2. Step 2: Convert to fraction form
    1,296,319.20/1,944,478.80 = 349,785.60/x
  3. Step 3: Cross multiply
    1,296,319.20x = 1,944,478.80 × 349,785.60
  4. Step 4: Simplify right side
    1,296,319.20x = 680,150,683,745.28
  5. Step 5: Solve for x
    x = 680,150,683,745.28/1,296,319.20
  6. Step 6: Final answer
    x = 524,678.40

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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.