Home / 1,105,144.48-1,525,097.07-621,709.62

Finding the Fourth Proportional to 1,105,144.48, 1,525,097.07 and 621,709.62

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Solution

The fourth proportional to 1,105,144.48, 1,525,097.07 and 621,709.62 is: 857,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,144.48 : 1,525,097.07 = 621,709.62 : x
  2. Step 2: Convert to fraction form
    1,105,144.48/1,525,097.07 = 621,709.62/x
  3. Step 3: Cross multiply
    1,105,144.48x = 1,525,097.07 × 621,709.62
  4. Step 4: Simplify right side
    1,105,144.48x = 948,167,516,674.48
  5. Step 5: Solve for x
    x = 948,167,516,674.48/1,105,144.48
  6. Step 6: Final answer
    x = 857,957.98

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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.