Home / 1,210,078.57-1,815,132.44-368,637.61

Finding the Fourth Proportional to 1,210,078.57, 1,815,132.44 and 368,637.61

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Solution

The fourth proportional to 1,210,078.57, 1,815,132.44 and 368,637.61 is: 552,960.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,078.57 : 1,815,132.44 = 368,637.61 : x
  2. Step 2: Convert to fraction form
    1,210,078.57/1,815,132.44 = 368,637.61/x
  3. Step 3: Cross multiply
    1,210,078.57x = 1,815,132.44 × 368,637.61
  4. Step 4: Simplify right side
    1,210,078.57x = 669,126,084,515.07
  5. Step 5: Solve for x
    x = 669,126,084,515.07/1,210,078.57
  6. Step 6: Final answer
    x = 552,960.86

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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.