Home / 869,955.08-1,305,887.10-691,189.52

Finding the Fourth Proportional to 869,955.08, 1,305,887.10 and 691,189.52

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Solution

The fourth proportional to 869,955.08, 1,305,887.10 and 691,189.52 is: 1,037,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,955.08 : 1,305,887.10 = 691,189.52 : x
  2. Step 2: Convert to fraction form
    869,955.08/1,305,887.10 = 691,189.52/x
  3. Step 3: Cross multiply
    869,955.08x = 1,305,887.10 × 691,189.52
  4. Step 4: Simplify right side
    869,955.08x = 902,615,477,823.19
  5. Step 5: Solve for x
    x = 902,615,477,823.19/869,955.08
  6. Step 6: Final answer
    x = 1,037,542.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.