Home / 1,580,455.34-2,181,032.25-855,308.36

Finding the Fourth Proportional to 1,580,455.34, 2,181,032.25 and 855,308.36

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Solution

The fourth proportional to 1,580,455.34, 2,181,032.25 and 855,308.36 is: 1,180,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,455.34 : 2,181,032.25 = 855,308.36 : x
  2. Step 2: Convert to fraction form
    1,580,455.34/2,181,032.25 = 855,308.36/x
  3. Step 3: Cross multiply
    1,580,455.34x = 2,181,032.25 × 855,308.36
  4. Step 4: Simplify right side
    1,580,455.34x = 1,865,455,116,854.61
  5. Step 5: Solve for x
    x = 1,865,455,116,854.61/1,580,455.34
  6. Step 6: Final answer
    x = 1,180,327.64

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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.