Home / 1,326,645.20-1,989,967.80-367,098.95

Finding the Fourth Proportional to 1,326,645.20, 1,989,967.80 and 367,098.95

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Solution

The fourth proportional to 1,326,645.20, 1,989,967.80 and 367,098.95 is: 550,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,645.20 : 1,989,967.80 = 367,098.95 : x
  2. Step 2: Convert to fraction form
    1,326,645.20/1,989,967.80 = 367,098.95/x
  3. Step 3: Cross multiply
    1,326,645.20x = 1,989,967.80 × 367,098.95
  4. Step 4: Simplify right side
    1,326,645.20x = 730,515,089,913.81
  5. Step 5: Solve for x
    x = 730,515,089,913.81/1,326,645.20
  6. Step 6: Final answer
    x = 550,648.43

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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.