Home / 870,174.20-1,202,063.82-671,523.32

Finding the Fourth Proportional to 870,174.20, 1,202,063.82 and 671,523.32

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Solution

The fourth proportional to 870,174.20, 1,202,063.82 and 671,523.32 is: 927,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,174.20 : 1,202,063.82 = 671,523.32 : x
  2. Step 2: Convert to fraction form
    870,174.20/1,202,063.82 = 671,523.32/x
  3. Step 3: Cross multiply
    870,174.20x = 1,202,063.82 × 671,523.32
  4. Step 4: Simplify right side
    870,174.20x = 807,213,887,258.28
  5. Step 5: Solve for x
    x = 807,213,887,258.28/870,174.20
  6. Step 6: Final answer
    x = 927,646.31

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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.