Home / 1,274,140.92-1,911,542.16-475,428.47

Finding the Fourth Proportional to 1,274,140.92, 1,911,542.16 and 475,428.47

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Solution

The fourth proportional to 1,274,140.92, 1,911,542.16 and 475,428.47 is: 713,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,140.92 : 1,911,542.16 = 475,428.47 : x
  2. Step 2: Convert to fraction form
    1,274,140.92/1,911,542.16 = 475,428.47/x
  3. Step 3: Cross multiply
    1,274,140.92x = 1,911,542.16 × 475,428.47
  4. Step 4: Simplify right side
    1,274,140.92x = 908,801,554,911.58
  5. Step 5: Solve for x
    x = 908,801,554,911.58/1,274,140.92
  6. Step 6: Final answer
    x = 713,266.12

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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.