Home / 1,557,533-2,149,383.03-904,219.64

Finding the Fourth Proportional to 1,557,533, 2,149,383.03 and 904,219.64

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Solution

The fourth proportional to 1,557,533, 2,149,383.03 and 904,219.64 is: 1,247,815.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,533 : 2,149,383.03 = 904,219.64 : x
  2. Step 2: Convert to fraction form
    1,557,533/2,149,383.03 = 904,219.64/x
  3. Step 3: Cross multiply
    1,557,533x = 2,149,383.03 × 904,219.64
  4. Step 4: Simplify right side
    1,557,533x = 1,943,514,349,608.71
  5. Step 5: Solve for x
    x = 1,943,514,349,608.71/1,557,533
  6. Step 6: Final answer
    x = 1,247,815.84

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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.