Home / 1,105,160.76-1,525,006.58-621,684.79

Finding the Fourth Proportional to 1,105,160.76, 1,525,006.58 and 621,684.79

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Solution

The fourth proportional to 1,105,160.76, 1,525,006.58 and 621,684.79 is: 857,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,160.76 : 1,525,006.58 = 621,684.79 : x
  2. Step 2: Convert to fraction form
    1,105,160.76/1,525,006.58 = 621,684.79/x
  3. Step 3: Cross multiply
    1,105,160.76x = 1,525,006.58 × 621,684.79
  4. Step 4: Simplify right side
    1,105,160.76x = 948,073,388,514.98
  5. Step 5: Solve for x
    x = 948,073,388,514.98/1,105,160.76
  6. Step 6: Final answer
    x = 857,860.16

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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.