Home / 1,310,843.79-1,966,371.80-364,214.61

Finding the Fourth Proportional to 1,310,843.79, 1,966,371.80 and 364,214.61

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Solution

The fourth proportional to 1,310,843.79, 1,966,371.80 and 364,214.61 is: 546,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,843.79 : 1,966,371.80 = 364,214.61 : x
  2. Step 2: Convert to fraction form
    1,310,843.79/1,966,371.80 = 364,214.61/x
  3. Step 3: Cross multiply
    1,310,843.79x = 1,966,371.80 × 364,214.61
  4. Step 4: Simplify right side
    1,310,843.79x = 716,181,336,430.93
  5. Step 5: Solve for x
    x = 716,181,336,430.93/1,310,843.79
  6. Step 6: Final answer
    x = 546,351.40

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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.