Home / 1,861,490.34-2,791,903.10-495,271.89

Finding the Fourth Proportional to 1,861,490.34, 2,791,903.10 and 495,271.89

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Solution

The fourth proportional to 1,861,490.34, 2,791,903.10 and 495,271.89 is: 742,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,490.34 : 2,791,903.10 = 495,271.89 : x
  2. Step 2: Convert to fraction form
    1,861,490.34/2,791,903.10 = 495,271.89/x
  3. Step 3: Cross multiply
    1,861,490.34x = 2,791,903.10 × 495,271.89
  4. Step 4: Simplify right side
    1,861,490.34x = 1,382,751,125,033.86
  5. Step 5: Solve for x
    x = 1,382,751,125,033.86/1,861,490.34
  6. Step 6: Final answer
    x = 742,819.39

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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.