Home / 1,294,455.40-1,940,300.70-495,428.20

Finding the Fourth Proportional to 1,294,455.40, 1,940,300.70 and 495,428.20

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Solution

The fourth proportional to 1,294,455.40, 1,940,300.70 and 495,428.20 is: 742,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,455.40 : 1,940,300.70 = 495,428.20 : x
  2. Step 2: Convert to fraction form
    1,294,455.40/1,940,300.70 = 495,428.20/x
  3. Step 3: Cross multiply
    1,294,455.40x = 1,940,300.70 × 495,428.20
  4. Step 4: Simplify right side
    1,294,455.40x = 961,279,683,259.74
  5. Step 5: Solve for x
    x = 961,279,683,259.74/1,294,455.40
  6. Step 6: Final answer
    x = 742,613.21

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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.