Home / 1,397,175.40-2,095,763.10-399,903.40

Finding the Fourth Proportional to 1,397,175.40, 2,095,763.10 and 399,903.40

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Solution

The fourth proportional to 1,397,175.40, 2,095,763.10 and 399,903.40 is: 599,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,175.40 : 2,095,763.10 = 399,903.40 : x
  2. Step 2: Convert to fraction form
    1,397,175.40/2,095,763.10 = 399,903.40/x
  3. Step 3: Cross multiply
    1,397,175.40x = 2,095,763.10 × 399,903.40
  4. Step 4: Simplify right side
    1,397,175.40x = 838,102,789,284.54
  5. Step 5: Solve for x
    x = 838,102,789,284.54/1,397,175.40
  6. Step 6: Final answer
    x = 599,855.10

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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.