Home / 1,402,382.43-2,102,825.16-727,784.46

Finding the Fourth Proportional to 1,402,382.43, 2,102,825.16 and 727,784.46

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Solution

The fourth proportional to 1,402,382.43, 2,102,825.16 and 727,784.46 is: 1,091,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,382.43 : 2,102,825.16 = 727,784.46 : x
  2. Step 2: Convert to fraction form
    1,402,382.43/2,102,825.16 = 727,784.46/x
  3. Step 3: Cross multiply
    1,402,382.43x = 2,102,825.16 × 727,784.46
  4. Step 4: Simplify right side
    1,402,382.43x = 1,530,403,473,545.01
  5. Step 5: Solve for x
    x = 1,530,403,473,545.01/1,402,382.43
  6. Step 6: Final answer
    x = 1,091,288.25

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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.