Home / 1,221,536.90-1,832,319.45-368,615.94

Finding the Fourth Proportional to 1,221,536.90, 1,832,319.45 and 368,615.94

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Solution

The fourth proportional to 1,221,536.90, 1,832,319.45 and 368,615.94 is: 552,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,536.90 : 1,832,319.45 = 368,615.94 : x
  2. Step 2: Convert to fraction form
    1,221,536.90/1,832,319.45 = 368,615.94/x
  3. Step 3: Cross multiply
    1,221,536.90x = 1,832,319.45 × 368,615.94
  4. Step 4: Simplify right side
    1,221,536.90x = 675,422,147,280.44
  5. Step 5: Solve for x
    x = 675,422,147,280.44/1,221,536.90
  6. Step 6: Final answer
    x = 552,928.16

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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.