Home / 1,557,671.96-2,149,784.40-904,158.26

Finding the Fourth Proportional to 1,557,671.96, 2,149,784.40 and 904,158.26

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Solution

The fourth proportional to 1,557,671.96, 2,149,784.40 and 904,158.26 is: 1,247,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,671.96 : 2,149,784.40 = 904,158.26 : x
  2. Step 2: Convert to fraction form
    1,557,671.96/2,149,784.40 = 904,158.26/x
  3. Step 3: Cross multiply
    1,557,671.96x = 2,149,784.40 × 904,158.26
  4. Step 4: Simplify right side
    1,557,671.96x = 1,943,745,322,479.14
  5. Step 5: Solve for x
    x = 1,943,745,322,479.14/1,557,671.96
  6. Step 6: Final answer
    x = 1,247,852.80

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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.