Home / 1,296,745.54-1,944,946.04-385,911.68

Finding the Fourth Proportional to 1,296,745.54, 1,944,946.04 and 385,911.68

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Solution

The fourth proportional to 1,296,745.54, 1,944,946.04 and 385,911.68 is: 578,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,745.54 : 1,944,946.04 = 385,911.68 : x
  2. Step 2: Convert to fraction form
    1,296,745.54/1,944,946.04 = 385,911.68/x
  3. Step 3: Cross multiply
    1,296,745.54x = 1,944,946.04 × 385,911.68
  4. Step 4: Simplify right side
    1,296,745.54x = 750,577,382,151.46
  5. Step 5: Solve for x
    x = 750,577,382,151.46/1,296,745.54
  6. Step 6: Final answer
    x = 578,816.24

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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.