Home / 1,501,622.72-2,072,272.76-857,029.92

Finding the Fourth Proportional to 1,501,622.72, 2,072,272.76 and 857,029.92

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Solution

The fourth proportional to 1,501,622.72, 2,072,272.76 and 857,029.92 is: 1,182,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,622.72 : 2,072,272.76 = 857,029.92 : x
  2. Step 2: Convert to fraction form
    1,501,622.72/2,072,272.76 = 857,029.92/x
  3. Step 3: Cross multiply
    1,501,622.72x = 2,072,272.76 × 857,029.92
  4. Step 4: Simplify right side
    1,501,622.72x = 1,775,999,757,720.98
  5. Step 5: Solve for x
    x = 1,775,999,757,720.98/1,501,622.72
  6. Step 6: Final answer
    x = 1,182,720.36

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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.