Home / 1,103,246.40-1,654,480.80-393,297.60

Finding the Fourth Proportional to 1,103,246.40, 1,654,480.80 and 393,297.60

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Solution

The fourth proportional to 1,103,246.40, 1,654,480.80 and 393,297.60 is: 589,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,246.40 : 1,654,480.80 = 393,297.60 : x
  2. Step 2: Convert to fraction form
    1,103,246.40/1,654,480.80 = 393,297.60/x
  3. Step 3: Cross multiply
    1,103,246.40x = 1,654,480.80 × 393,297.60
  4. Step 4: Simplify right side
    1,103,246.40x = 650,703,327,886.08
  5. Step 5: Solve for x
    x = 650,703,327,886.08/1,103,246.40
  6. Step 6: Final answer
    x = 589,807.80

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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.