Home / 1,094,136.20-1,640,426.70-495,384.20

Finding the Fourth Proportional to 1,094,136.20, 1,640,426.70 and 495,384.20

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Solution

The fourth proportional to 1,094,136.20, 1,640,426.70 and 495,384.20 is: 742,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,136.20 : 1,640,426.70 = 495,384.20 : x
  2. Step 2: Convert to fraction form
    1,094,136.20/1,640,426.70 = 495,384.20/x
  3. Step 3: Cross multiply
    1,094,136.20x = 1,640,426.70 × 495,384.20
  4. Step 4: Simplify right side
    1,094,136.20x = 812,641,468,438.14
  5. Step 5: Solve for x
    x = 812,641,468,438.14/1,094,136.20
  6. Step 6: Final answer
    x = 742,724.23

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Double scale
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1.5x scale

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.