Home / 1,080,632.52-1,620,948.78-415,629

Finding the Fourth Proportional to 1,080,632.52, 1,620,948.78 and 415,629

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Solution

The fourth proportional to 1,080,632.52, 1,620,948.78 and 415,629 is: 623,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,632.52 : 1,620,948.78 = 415,629 : x
  2. Step 2: Convert to fraction form
    1,080,632.52/1,620,948.78 = 415,629/x
  3. Step 3: Cross multiply
    1,080,632.52x = 1,620,948.78 × 415,629
  4. Step 4: Simplify right side
    1,080,632.52x = 673,713,320,482.62
  5. Step 5: Solve for x
    x = 673,713,320,482.62/1,080,632.52
  6. Step 6: Final answer
    x = 623,443.50

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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.