Home / 1,371,540.76-2,057,409.72-472,969.54

Finding the Fourth Proportional to 1,371,540.76, 2,057,409.72 and 472,969.54

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Solution

The fourth proportional to 1,371,540.76, 2,057,409.72 and 472,969.54 is: 709,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,540.76 : 2,057,409.72 = 472,969.54 : x
  2. Step 2: Convert to fraction form
    1,371,540.76/2,057,409.72 = 472,969.54/x
  3. Step 3: Cross multiply
    1,371,540.76x = 2,057,409.72 × 472,969.54
  4. Step 4: Simplify right side
    1,371,540.76x = 973,092,128,859.93
  5. Step 5: Solve for x
    x = 973,092,128,859.93/1,371,540.76
  6. Step 6: Final answer
    x = 709,488.30

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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.