Home / 1,510,072.65-2,083,944.08-821,788.92

Finding the Fourth Proportional to 1,510,072.65, 2,083,944.08 and 821,788.92

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Solution

The fourth proportional to 1,510,072.65, 2,083,944.08 and 821,788.92 is: 1,134,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,072.65 : 2,083,944.08 = 821,788.92 : x
  2. Step 2: Convert to fraction form
    1,510,072.65/2,083,944.08 = 821,788.92/x
  3. Step 3: Cross multiply
    1,510,072.65x = 2,083,944.08 × 821,788.92
  4. Step 4: Simplify right side
    1,510,072.65x = 1,712,562,154,843.59
  5. Step 5: Solve for x
    x = 1,712,562,154,843.59/1,510,072.65
  6. Step 6: Final answer
    x = 1,134,092.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.