Home / 1,105,061.76-1,525,843.44-862,924.32

Finding the Fourth Proportional to 1,105,061.76, 1,525,843.44 and 862,924.32

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Solution

The fourth proportional to 1,105,061.76, 1,525,843.44 and 862,924.32 is: 1,191,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,061.76 : 1,525,843.44 = 862,924.32 : x
  2. Step 2: Convert to fraction form
    1,105,061.76/1,525,843.44 = 862,924.32/x
  3. Step 3: Cross multiply
    1,105,061.76x = 1,525,843.44 × 862,924.32
  4. Step 4: Simplify right side
    1,105,061.76x = 1,316,687,412,888.46
  5. Step 5: Solve for x
    x = 1,316,687,412,888.46/1,105,061.76
  6. Step 6: Final answer
    x = 1,191,505.72

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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.