Home / 1,128,382.73-1,692,585.04-286,934.48

Finding the Fourth Proportional to 1,128,382.73, 1,692,585.04 and 286,934.48

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Solution

The fourth proportional to 1,128,382.73, 1,692,585.04 and 286,934.48 is: 430,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,382.73 : 1,692,585.04 = 286,934.48 : x
  2. Step 2: Convert to fraction form
    1,128,382.73/1,692,585.04 = 286,934.48/x
  3. Step 3: Cross multiply
    1,128,382.73x = 1,692,585.04 × 286,934.48
  4. Step 4: Simplify right side
    1,128,382.73x = 485,661,011,822.31
  5. Step 5: Solve for x
    x = 485,661,011,822.31/1,128,382.73
  6. Step 6: Final answer
    x = 430,404.51

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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.