Home / 1,055,960.74-1,455,816.09-838,889.65

Finding the Fourth Proportional to 1,055,960.74, 1,455,816.09 and 838,889.65

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Solution

The fourth proportional to 1,055,960.74, 1,455,816.09 and 838,889.65 is: 1,156,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,960.74 : 1,455,816.09 = 838,889.65 : x
  2. Step 2: Convert to fraction form
    1,055,960.74/1,455,816.09 = 838,889.65/x
  3. Step 3: Cross multiply
    1,055,960.74x = 1,455,816.09 × 838,889.65
  4. Step 4: Simplify right side
    1,055,960.74x = 1,221,269,050,204.47
  5. Step 5: Solve for x
    x = 1,221,269,050,204.47/1,055,960.74
  6. Step 6: Final answer
    x = 1,156,547.78

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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.