Home / 1,583,399.40-2,185,383.69-904,335.90

Finding the Fourth Proportional to 1,583,399.40, 2,185,383.69 and 904,335.90

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Solution

The fourth proportional to 1,583,399.40, 2,185,383.69 and 904,335.90 is: 1,248,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,399.40 : 2,185,383.69 = 904,335.90 : x
  2. Step 2: Convert to fraction form
    1,583,399.40/2,185,383.69 = 904,335.90/x
  3. Step 3: Cross multiply
    1,583,399.40x = 2,185,383.69 × 904,335.90
  4. Step 4: Simplify right side
    1,583,399.40x = 1,976,320,926,141.47
  5. Step 5: Solve for x
    x = 1,976,320,926,141.47/1,583,399.40
  6. Step 6: Final answer
    x = 1,248,150.61

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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.