Home / 1,090,165.80-1,635,248.70-853,710.60

Finding the Fourth Proportional to 1,090,165.80, 1,635,248.70 and 853,710.60

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Solution

The fourth proportional to 1,090,165.80, 1,635,248.70 and 853,710.60 is: 1,280,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,165.80 : 1,635,248.70 = 853,710.60 : x
  2. Step 2: Convert to fraction form
    1,090,165.80/1,635,248.70 = 853,710.60/x
  3. Step 3: Cross multiply
    1,090,165.80x = 1,635,248.70 × 853,710.60
  4. Step 4: Simplify right side
    1,090,165.80x = 1,396,029,148,826.22
  5. Step 5: Solve for x
    x = 1,396,029,148,826.22/1,090,165.80
  6. Step 6: Final answer
    x = 1,280,565.90

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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.