Home / 1,665,478.42-2,497,843.81-766,056.22

Finding the Fourth Proportional to 1,665,478.42, 2,497,843.81 and 766,056.22

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Solution

The fourth proportional to 1,665,478.42, 2,497,843.81 and 766,056.22 is: 1,148,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,478.42 : 2,497,843.81 = 766,056.22 : x
  2. Step 2: Convert to fraction form
    1,665,478.42/2,497,843.81 = 766,056.22/x
  3. Step 3: Cross multiply
    1,665,478.42x = 2,497,843.81 × 766,056.22
  4. Step 4: Simplify right side
    1,665,478.42x = 1,913,488,787,239.00
  5. Step 5: Solve for x
    x = 1,913,488,787,239.00/1,665,478.42
  6. Step 6: Final answer
    x = 1,148,912.39

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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.