Home / 1,580,172.52-2,180,621.72-855,004.24

Finding the Fourth Proportional to 1,580,172.52, 2,180,621.72 and 855,004.24

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Solution

The fourth proportional to 1,580,172.52, 2,180,621.72 and 855,004.24 is: 1,179,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,172.52 : 2,180,621.72 = 855,004.24 : x
  2. Step 2: Convert to fraction form
    1,580,172.52/2,180,621.72 = 855,004.24/x
  3. Step 3: Cross multiply
    1,580,172.52x = 2,180,621.72 × 855,004.24
  4. Step 4: Simplify right side
    1,580,172.52x = 1,864,440,816,436.09
  5. Step 5: Solve for x
    x = 1,864,440,816,436.09/1,580,172.52
  6. Step 6: Final answer
    x = 1,179,897.00

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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.