Home / 1,039,981.14-1,433,786.13-825,830.10

Finding the Fourth Proportional to 1,039,981.14, 1,433,786.13 and 825,830.10

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Solution

The fourth proportional to 1,039,981.14, 1,433,786.13 and 825,830.10 is: 1,138,543.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,981.14 : 1,433,786.13 = 825,830.10 : x
  2. Step 2: Convert to fraction form
    1,039,981.14/1,433,786.13 = 825,830.10/x
  3. Step 3: Cross multiply
    1,039,981.14x = 1,433,786.13 × 825,830.10
  4. Step 4: Simplify right side
    1,039,981.14x = 1,184,063,743,116.51
  5. Step 5: Solve for x
    x = 1,184,063,743,116.51/1,039,981.14
  6. Step 6: Final answer
    x = 1,138,543.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.