Home / 1,090,431.90-1,632,148.65-852,486.30

Finding the Fourth Proportional to 1,090,431.90, 1,632,148.65 and 852,486.30

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Solution

The fourth proportional to 1,090,431.90, 1,632,148.65 and 852,486.30 is: 1,275,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,431.90 : 1,632,148.65 = 852,486.30 : x
  2. Step 2: Convert to fraction form
    1,090,431.90/1,632,148.65 = 852,486.30/x
  3. Step 3: Cross multiply
    1,090,431.90x = 1,632,148.65 × 852,486.30
  4. Step 4: Simplify right side
    1,090,431.90x = 1,391,384,363,688.50
  5. Step 5: Solve for x
    x = 1,391,384,363,688.50/1,090,431.90
  6. Step 6: Final answer
    x = 1,275,993.82

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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.