Home / 869,849.01-1,197,663.57-790,132.86

Finding the Fourth Proportional to 869,849.01, 1,197,663.57 and 790,132.86

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Solution

The fourth proportional to 869,849.01, 1,197,663.57 and 790,132.86 is: 1,087,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,849.01 : 1,197,663.57 = 790,132.86 : x
  2. Step 2: Convert to fraction form
    869,849.01/1,197,663.57 = 790,132.86/x
  3. Step 3: Cross multiply
    869,849.01x = 1,197,663.57 × 790,132.86
  4. Step 4: Simplify right side
    869,849.01x = 946,313,341,881.91
  5. Step 5: Solve for x
    x = 946,313,341,881.91/869,849.01
  6. Step 6: Final answer
    x = 1,087,905.29

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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.