Home / 1,145,408.22-1,581,454.11-715,881.42

Finding the Fourth Proportional to 1,145,408.22, 1,581,454.11 and 715,881.42

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Solution

The fourth proportional to 1,145,408.22, 1,581,454.11 and 715,881.42 is: 988,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,408.22 : 1,581,454.11 = 715,881.42 : x
  2. Step 2: Convert to fraction form
    1,145,408.22/1,581,454.11 = 715,881.42/x
  3. Step 3: Cross multiply
    1,145,408.22x = 1,581,454.11 × 715,881.42
  4. Step 4: Simplify right side
    1,145,408.22x = 1,132,133,613,931.64
  5. Step 5: Solve for x
    x = 1,132,133,613,931.64/1,145,408.22
  6. Step 6: Final answer
    x = 988,410.59

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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.