Home / 1,451,971.88-2,178,061.50-387,008.36

Finding the Fourth Proportional to 1,451,971.88, 2,178,061.50 and 387,008.36

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Solution

The fourth proportional to 1,451,971.88, 2,178,061.50 and 387,008.36 is: 580,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,971.88 : 2,178,061.50 = 387,008.36 : x
  2. Step 2: Convert to fraction form
    1,451,971.88/2,178,061.50 = 387,008.36/x
  3. Step 3: Cross multiply
    1,451,971.88x = 2,178,061.50 × 387,008.36
  4. Step 4: Simplify right side
    1,451,971.88x = 842,928,009,094.14
  5. Step 5: Solve for x
    x = 842,928,009,094.14/1,451,971.88
  6. Step 6: Final answer
    x = 580,540.17

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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.