Home / 1,580,476.52-2,181,053.58-855,325.64

Finding the Fourth Proportional to 1,580,476.52, 2,181,053.58 and 855,325.64

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Solution

The fourth proportional to 1,580,476.52, 2,181,053.58 and 855,325.64 is: 1,180,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,476.52 : 2,181,053.58 = 855,325.64 : x
  2. Step 2: Convert to fraction form
    1,580,476.52/2,181,053.58 = 855,325.64/x
  3. Step 3: Cross multiply
    1,580,476.52x = 2,181,053.58 × 855,325.64
  4. Step 4: Simplify right side
    1,580,476.52x = 1,865,511,049,187.79
  5. Step 5: Solve for x
    x = 1,865,511,049,187.79/1,580,476.52
  6. Step 6: Final answer
    x = 1,180,347.21

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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.