Home / 1,371,420.09-2,057,265.39-472,743.51

Finding the Fourth Proportional to 1,371,420.09, 2,057,265.39 and 472,743.51

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Solution

The fourth proportional to 1,371,420.09, 2,057,265.39 and 472,743.51 is: 709,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,420.09 : 2,057,265.39 = 472,743.51 : x
  2. Step 2: Convert to fraction form
    1,371,420.09/2,057,265.39 = 472,743.51/x
  3. Step 3: Cross multiply
    1,371,420.09x = 2,057,265.39 × 472,743.51
  4. Step 4: Simplify right side
    1,371,420.09x = 972,558,861,470.12
  5. Step 5: Solve for x
    x = 972,558,861,470.12/1,371,420.09
  6. Step 6: Final answer
    x = 709,161.89

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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.