Home / 1,090,110.30-1,635,165.45-853,655.10

Finding the Fourth Proportional to 1,090,110.30, 1,635,165.45 and 853,655.10

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Solution

The fourth proportional to 1,090,110.30, 1,635,165.45 and 853,655.10 is: 1,280,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,110.30 : 1,635,165.45 = 853,655.10 : x
  2. Step 2: Convert to fraction form
    1,090,110.30/1,635,165.45 = 853,655.10/x
  3. Step 3: Cross multiply
    1,090,110.30x = 1,635,165.45 × 853,655.10
  4. Step 4: Simplify right side
    1,090,110.30x = 1,395,867,325,736.30
  5. Step 5: Solve for x
    x = 1,395,867,325,736.30/1,090,110.30
  6. Step 6: Final answer
    x = 1,280,482.65

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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.