Home / 1,333,588.12-1,840,348.10-721,742.04

Finding the Fourth Proportional to 1,333,588.12, 1,840,348.10 and 721,742.04

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Solution

The fourth proportional to 1,333,588.12, 1,840,348.10 and 721,742.04 is: 996,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,588.12 : 1,840,348.10 = 721,742.04 : x
  2. Step 2: Convert to fraction form
    1,333,588.12/1,840,348.10 = 721,742.04/x
  3. Step 3: Cross multiply
    1,333,588.12x = 1,840,348.10 × 721,742.04
  4. Step 4: Simplify right side
    1,333,588.12x = 1,328,256,592,004.12
  5. Step 5: Solve for x
    x = 1,328,256,592,004.12/1,333,588.12
  6. Step 6: Final answer
    x = 996,002.12

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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.