Home / 1,431,666.96-2,147,487.48-434,394.96

Finding the Fourth Proportional to 1,431,666.96, 2,147,487.48 and 434,394.96

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Solution

The fourth proportional to 1,431,666.96, 2,147,487.48 and 434,394.96 is: 651,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,666.96 : 2,147,487.48 = 434,394.96 : x
  2. Step 2: Convert to fraction form
    1,431,666.96/2,147,487.48 = 434,394.96/x
  3. Step 3: Cross multiply
    1,431,666.96x = 2,147,487.48 × 434,394.96
  4. Step 4: Simplify right side
    1,431,666.96x = 932,857,737,975.10
  5. Step 5: Solve for x
    x = 932,857,737,975.10/1,431,666.96
  6. Step 6: Final answer
    x = 651,588.51

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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.