Home / 1,456,321.64-2,184,484.01-786,660.89

Finding the Fourth Proportional to 1,456,321.64, 2,184,484.01 and 786,660.89

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Solution

The fourth proportional to 1,456,321.64, 2,184,484.01 and 786,660.89 is: 1,179,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,321.64 : 2,184,484.01 = 786,660.89 : x
  2. Step 2: Convert to fraction form
    1,456,321.64/2,184,484.01 = 786,660.89/x
  3. Step 3: Cross multiply
    1,456,321.64x = 2,184,484.01 × 786,660.89
  4. Step 4: Simplify right side
    1,456,321.64x = 1,718,448,120,641.64
  5. Step 5: Solve for x
    x = 1,718,448,120,641.64/1,456,321.64
  6. Step 6: Final answer
    x = 1,179,992.17

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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.