Home / 1,296,046.40-1,944,069.60-349,512.80

Finding the Fourth Proportional to 1,296,046.40, 1,944,069.60 and 349,512.80

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Solution

The fourth proportional to 1,296,046.40, 1,944,069.60 and 349,512.80 is: 524,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,046.40 : 1,944,069.60 = 349,512.80 : x
  2. Step 2: Convert to fraction form
    1,296,046.40/1,944,069.60 = 349,512.80/x
  3. Step 3: Cross multiply
    1,296,046.40x = 1,944,069.60 × 349,512.80
  4. Step 4: Simplify right side
    1,296,046.40x = 679,477,209,290.88
  5. Step 5: Solve for x
    x = 679,477,209,290.88/1,296,046.40
  6. Step 6: Final answer
    x = 524,269.20

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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.