Home / 1,097,728.80-1,646,721.20-349,850.40

Finding the Fourth Proportional to 1,097,728.80, 1,646,721.20 and 349,850.40

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Solution

The fourth proportional to 1,097,728.80, 1,646,721.20 and 349,850.40 is: 524,816.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,728.80 : 1,646,721.20 = 349,850.40 : x
  2. Step 2: Convert to fraction form
    1,097,728.80/1,646,721.20 = 349,850.40/x
  3. Step 3: Cross multiply
    1,097,728.80x = 1,646,721.20 × 349,850.40
  4. Step 4: Simplify right side
    1,097,728.80x = 576,106,070,508.48
  5. Step 5: Solve for x
    x = 576,106,070,508.48/1,097,728.80
  6. Step 6: Final answer
    x = 524,816.39

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1.5x scale

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.