Home / 1,071,292.96-1,478,380.18-587,866.20

Finding the Fourth Proportional to 1,071,292.96, 1,478,380.18 and 587,866.20

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Solution

The fourth proportional to 1,071,292.96, 1,478,380.18 and 587,866.20 is: 811,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,292.96 : 1,478,380.18 = 587,866.20 : x
  2. Step 2: Convert to fraction form
    1,071,292.96/1,478,380.18 = 587,866.20/x
  3. Step 3: Cross multiply
    1,071,292.96x = 1,478,380.18 × 587,866.20
  4. Step 4: Simplify right side
    1,071,292.96x = 869,089,738,571.92
  5. Step 5: Solve for x
    x = 869,089,738,571.92/1,071,292.96
  6. Step 6: Final answer
    x = 811,253.10

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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.