Home / 1,277,493.21-1,916,562.03-424,569.33

Finding the Fourth Proportional to 1,277,493.21, 1,916,562.03 and 424,569.33

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Solution

The fourth proportional to 1,277,493.21, 1,916,562.03 and 424,569.33 is: 636,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,493.21 : 1,916,562.03 = 424,569.33 : x
  2. Step 2: Convert to fraction form
    1,277,493.21/1,916,562.03 = 424,569.33/x
  3. Step 3: Cross multiply
    1,277,493.21x = 1,916,562.03 × 424,569.33
  4. Step 4: Simplify right side
    1,277,493.21x = 813,713,456,980.54
  5. Step 5: Solve for x
    x = 813,713,456,980.54/1,277,493.21
  6. Step 6: Final answer
    x = 636,961.08

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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.