Home / 1,090,538.40-1,635,807.60-342,583.20

Finding the Fourth Proportional to 1,090,538.40, 1,635,807.60 and 342,583.20

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Solution

The fourth proportional to 1,090,538.40, 1,635,807.60 and 342,583.20 is: 513,874.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,538.40 : 1,635,807.60 = 342,583.20 : x
  2. Step 2: Convert to fraction form
    1,090,538.40/1,635,807.60 = 342,583.20/x
  3. Step 3: Cross multiply
    1,090,538.40x = 1,635,807.60 × 342,583.20
  4. Step 4: Simplify right side
    1,090,538.40x = 560,400,202,192.32
  5. Step 5: Solve for x
    x = 560,400,202,192.32/1,090,538.40
  6. Step 6: Final answer
    x = 513,874.80

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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.