Home / 1,112,083.86-1,667,798.80-472,382.51

Finding the Fourth Proportional to 1,112,083.86, 1,667,798.80 and 472,382.51

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Solution

The fourth proportional to 1,112,083.86, 1,667,798.80 and 472,382.51 is: 708,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,083.86 : 1,667,798.80 = 472,382.51 : x
  2. Step 2: Convert to fraction form
    1,112,083.86/1,667,798.80 = 472,382.51/x
  3. Step 3: Cross multiply
    1,112,083.86x = 1,667,798.80 × 472,382.51
  4. Step 4: Simplify right side
    1,112,083.86x = 787,838,977,825.46
  5. Step 5: Solve for x
    x = 787,838,977,825.46/1,112,083.86
  6. Step 6: Final answer
    x = 708,434.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.