Home / 1,520,993.22-2,098,970.69-841,929.72

Finding the Fourth Proportional to 1,520,993.22, 2,098,970.69 and 841,929.72

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Solution

The fourth proportional to 1,520,993.22, 2,098,970.69 and 841,929.72 is: 1,161,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,993.22 : 2,098,970.69 = 841,929.72 : x
  2. Step 2: Convert to fraction form
    1,520,993.22/2,098,970.69 = 841,929.72/x
  3. Step 3: Cross multiply
    1,520,993.22x = 2,098,970.69 × 841,929.72
  4. Step 4: Simplify right side
    1,520,993.22x = 1,767,185,801,110.26
  5. Step 5: Solve for x
    x = 1,767,185,801,110.26/1,520,993.22
  6. Step 6: Final answer
    x = 1,161,863.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.