Home / 1,355,769.90-2,033,666.46-344,892.78

Finding the Fourth Proportional to 1,355,769.90, 2,033,666.46 and 344,892.78

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Solution

The fourth proportional to 1,355,769.90, 2,033,666.46 and 344,892.78 is: 517,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,769.90 : 2,033,666.46 = 344,892.78 : x
  2. Step 2: Convert to fraction form
    1,355,769.90/2,033,666.46 = 344,892.78/x
  3. Step 3: Cross multiply
    1,355,769.90x = 2,033,666.46 × 344,892.78
  4. Step 4: Simplify right side
    1,355,769.90x = 701,396,878,982.16
  5. Step 5: Solve for x
    x = 701,396,878,982.16/1,355,769.90
  6. Step 6: Final answer
    x = 517,342.12

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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.