Home / 1,138,908.24-1,571,700.51-622,663.32

Finding the Fourth Proportional to 1,138,908.24, 1,571,700.51 and 622,663.32

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Solution

The fourth proportional to 1,138,908.24, 1,571,700.51 and 622,663.32 is: 859,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,908.24 : 1,571,700.51 = 622,663.32 : x
  2. Step 2: Convert to fraction form
    1,138,908.24/1,571,700.51 = 622,663.32/x
  3. Step 3: Cross multiply
    1,138,908.24x = 1,571,700.51 × 622,663.32
  4. Step 4: Simplify right side
    1,138,908.24x = 978,640,257,602.29
  5. Step 5: Solve for x
    x = 978,640,257,602.29/1,138,908.24
  6. Step 6: Final answer
    x = 859,279.28

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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.