Home / 1,807,712.25-2,711,584.26-459,876.28

Finding the Fourth Proportional to 1,807,712.25, 2,711,584.26 and 459,876.28

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Solution

The fourth proportional to 1,807,712.25, 2,711,584.26 and 459,876.28 is: 689,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,712.25 : 2,711,584.26 = 459,876.28 : x
  2. Step 2: Convert to fraction form
    1,807,712.25/2,711,584.26 = 459,876.28/x
  3. Step 3: Cross multiply
    1,807,712.25x = 2,711,584.26 × 459,876.28
  4. Step 4: Simplify right side
    1,807,712.25x = 1,246,993,282,395.35
  5. Step 5: Solve for x
    x = 1,246,993,282,395.35/1,807,712.25
  6. Step 6: Final answer
    x = 689,818.46

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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.