Home / 1,330,977.09-1,996,802.42-371,432.59

Finding the Fourth Proportional to 1,330,977.09, 1,996,802.42 and 371,432.59

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Solution

The fourth proportional to 1,330,977.09, 1,996,802.42 and 371,432.59 is: 557,242.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,977.09 : 1,996,802.42 = 371,432.59 : x
  2. Step 2: Convert to fraction form
    1,330,977.09/1,996,802.42 = 371,432.59/x
  3. Step 3: Cross multiply
    1,330,977.09x = 1,996,802.42 × 371,432.59
  4. Step 4: Simplify right side
    1,330,977.09x = 741,677,494,578.87
  5. Step 5: Solve for x
    x = 741,677,494,578.87/1,330,977.09
  6. Step 6: Final answer
    x = 557,242.87

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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.