Home / 1,420,668.13-2,131,842.94-522,740.43

Finding the Fourth Proportional to 1,420,668.13, 2,131,842.94 and 522,740.43

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Solution

The fourth proportional to 1,420,668.13, 2,131,842.94 and 522,740.43 is: 784,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,668.13 : 2,131,842.94 = 522,740.43 : x
  2. Step 2: Convert to fraction form
    1,420,668.13/2,131,842.94 = 522,740.43/x
  3. Step 3: Cross multiply
    1,420,668.13x = 2,131,842.94 × 522,740.43
  4. Step 4: Simplify right side
    1,420,668.13x = 1,114,400,495,148.06
  5. Step 5: Solve for x
    x = 1,114,400,495,148.06/1,420,668.13
  6. Step 6: Final answer
    x = 784,420.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.