Home / 1,158,194.96-1,598,404.79-642,110.79

Finding the Fourth Proportional to 1,158,194.96, 1,598,404.79 and 642,110.79

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Solution

The fourth proportional to 1,158,194.96, 1,598,404.79 and 642,110.79 is: 886,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,194.96 : 1,598,404.79 = 642,110.79 : x
  2. Step 2: Convert to fraction form
    1,158,194.96/1,598,404.79 = 642,110.79/x
  3. Step 3: Cross multiply
    1,158,194.96x = 1,598,404.79 × 642,110.79
  4. Step 4: Simplify right side
    1,158,194.96x = 1,026,352,970,045.98
  5. Step 5: Solve for x
    x = 1,026,352,970,045.98/1,158,194.96
  6. Step 6: Final answer
    x = 886,165.98

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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.