Home / 1,443,305.08-1,991,793.48-934,892.36

Finding the Fourth Proportional to 1,443,305.08, 1,991,793.48 and 934,892.36

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Solution

The fourth proportional to 1,443,305.08, 1,991,793.48 and 934,892.36 is: 1,290,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,305.08 : 1,991,793.48 = 934,892.36 : x
  2. Step 2: Convert to fraction form
    1,443,305.08/1,991,793.48 = 934,892.36/x
  3. Step 3: Cross multiply
    1,443,305.08x = 1,991,793.48 × 934,892.36
  4. Step 4: Simplify right side
    1,443,305.08x = 1,862,112,507,149.81
  5. Step 5: Solve for x
    x = 1,862,112,507,149.81/1,443,305.08
  6. Step 6: Final answer
    x = 1,290,172.49

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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.