Home / 1,631,090.12-2,250,841.67-905,984.02

Finding the Fourth Proportional to 1,631,090.12, 2,250,841.67 and 905,984.02

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Solution

The fourth proportional to 1,631,090.12, 2,250,841.67 and 905,984.02 is: 1,250,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,090.12 : 2,250,841.67 = 905,984.02 : x
  2. Step 2: Convert to fraction form
    1,631,090.12/2,250,841.67 = 905,984.02/x
  3. Step 3: Cross multiply
    1,631,090.12x = 2,250,841.67 × 905,984.02
  4. Step 4: Simplify right side
    1,631,090.12x = 2,039,226,586,251.19
  5. Step 5: Solve for x
    x = 2,039,226,586,251.19/1,631,090.12
  6. Step 6: Final answer
    x = 1,250,223.13

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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.