Home / 1,684,661.90-2,324,799.23-920,720.93

Finding the Fourth Proportional to 1,684,661.90, 2,324,799.23 and 920,720.93

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Solution

The fourth proportional to 1,684,661.90, 2,324,799.23 and 920,720.93 is: 1,270,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,661.90 : 2,324,799.23 = 920,720.93 : x
  2. Step 2: Convert to fraction form
    1,684,661.90/2,324,799.23 = 920,720.93/x
  3. Step 3: Cross multiply
    1,684,661.90x = 2,324,799.23 × 920,720.93
  4. Step 4: Simplify right side
    1,684,661.90x = 2,140,491,292,881.28
  5. Step 5: Solve for x
    x = 2,140,491,292,881.28/1,684,661.90
  6. Step 6: Final answer
    x = 1,270,576.19

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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.