Home / 1,478,243.50-2,039,978.80-799,180

Finding the Fourth Proportional to 1,478,243.50, 2,039,978.80 and 799,180

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Solution

The fourth proportional to 1,478,243.50, 2,039,978.80 and 799,180 is: 1,102,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,243.50 : 2,039,978.80 = 799,180 : x
  2. Step 2: Convert to fraction form
    1,478,243.50/2,039,978.80 = 799,180/x
  3. Step 3: Cross multiply
    1,478,243.50x = 2,039,978.80 × 799,180
  4. Step 4: Simplify right side
    1,478,243.50x = 1,630,310,255,386.05
  5. Step 5: Solve for x
    x = 1,630,310,255,386.05/1,478,243.50
  6. Step 6: Final answer
    x = 1,102,869.90

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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.