Home / 1,088,231.90-1,632,347.85-978,007.10

Finding the Fourth Proportional to 1,088,231.90, 1,632,347.85 and 978,007.10

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Solution

The fourth proportional to 1,088,231.90, 1,632,347.85 and 978,007.10 is: 1,467,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,231.90 : 1,632,347.85 = 978,007.10 : x
  2. Step 2: Convert to fraction form
    1,088,231.90/1,632,347.85 = 978,007.10/x
  3. Step 3: Cross multiply
    1,088,231.90x = 1,632,347.85 × 978,007.10
  4. Step 4: Simplify right side
    1,088,231.90x = 1,596,447,786,969.74
  5. Step 5: Solve for x
    x = 1,596,447,786,969.74/1,088,231.90
  6. Step 6: Final answer
    x = 1,467,010.65

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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.