Home / 1,861,489.34-2,791,901.60-495,270.89

Finding the Fourth Proportional to 1,861,489.34, 2,791,901.60 and 495,270.89

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Solution

The fourth proportional to 1,861,489.34, 2,791,901.60 and 495,270.89 is: 742,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,489.34 : 2,791,901.60 = 495,270.89 : x
  2. Step 2: Convert to fraction form
    1,861,489.34/2,791,901.60 = 495,270.89/x
  3. Step 3: Cross multiply
    1,861,489.34x = 2,791,901.60 × 495,270.89
  4. Step 4: Simplify right side
    1,861,489.34x = 1,382,747,590,224.42
  5. Step 5: Solve for x
    x = 1,382,747,590,224.42/1,861,489.34
  6. Step 6: Final answer
    x = 742,817.89

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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.