Home / 1,292,067.36-1,937,953.08-345,511.80

Finding the Fourth Proportional to 1,292,067.36, 1,937,953.08 and 345,511.80

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Solution

The fourth proportional to 1,292,067.36, 1,937,953.08 and 345,511.80 is: 518,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,067.36 : 1,937,953.08 = 345,511.80 : x
  2. Step 2: Convert to fraction form
    1,292,067.36/1,937,953.08 = 345,511.80/x
  3. Step 3: Cross multiply
    1,292,067.36x = 1,937,953.08 × 345,511.80
  4. Step 4: Simplify right side
    1,292,067.36x = 669,585,656,986.34
  5. Step 5: Solve for x
    x = 669,585,656,986.34/1,292,067.36
  6. Step 6: Final answer
    x = 518,228.13

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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.