Home / 1,580,186.64-2,180,641.80-855,018.48

Finding the Fourth Proportional to 1,580,186.64, 2,180,641.80 and 855,018.48

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Solution

The fourth proportional to 1,580,186.64, 2,180,641.80 and 855,018.48 is: 1,179,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,186.64 : 2,180,641.80 = 855,018.48 : x
  2. Step 2: Convert to fraction form
    1,580,186.64/2,180,641.80 = 855,018.48/x
  3. Step 3: Cross multiply
    1,580,186.64x = 2,180,641.80 × 855,018.48
  4. Step 4: Simplify right side
    1,580,186.64x = 1,864,489,037,260.46
  5. Step 5: Solve for x
    x = 1,864,489,037,260.46/1,580,186.64
  6. Step 6: Final answer
    x = 1,179,916.97

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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.