Home / 1,807,662.69-2,711,482.29-459,813.78

Finding the Fourth Proportional to 1,807,662.69, 2,711,482.29 and 459,813.78

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Solution

The fourth proportional to 1,807,662.69, 2,711,482.29 and 459,813.78 is: 689,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,662.69 : 2,711,482.29 = 459,813.78 : x
  2. Step 2: Convert to fraction form
    1,807,662.69/2,711,482.29 = 459,813.78/x
  3. Step 3: Cross multiply
    1,807,662.69x = 2,711,482.29 × 459,813.78
  4. Step 4: Simplify right side
    1,807,662.69x = 1,246,776,921,167.96
  5. Step 5: Solve for x
    x = 1,246,776,921,167.96/1,807,662.69
  6. Step 6: Final answer
    x = 689,717.68

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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.