Home / 1,533,629.08-2,116,565.61-921,979.85

Finding the Fourth Proportional to 1,533,629.08, 2,116,565.61 and 921,979.85

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Solution

The fourth proportional to 1,533,629.08, 2,116,565.61 and 921,979.85 is: 1,272,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,629.08 : 2,116,565.61 = 921,979.85 : x
  2. Step 2: Convert to fraction form
    1,533,629.08/2,116,565.61 = 921,979.85/x
  3. Step 3: Cross multiply
    1,533,629.08x = 2,116,565.61 × 921,979.85
  4. Step 4: Simplify right side
    1,533,629.08x = 1,951,430,843,622.96
  5. Step 5: Solve for x
    x = 1,951,430,843,622.96/1,533,629.08
  6. Step 6: Final answer
    x = 1,272,426.87

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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.