Home / 1,294,463.40-1,940,312.70-495,436.20

Finding the Fourth Proportional to 1,294,463.40, 1,940,312.70 and 495,436.20

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Solution

The fourth proportional to 1,294,463.40, 1,940,312.70 and 495,436.20 is: 742,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,463.40 : 1,940,312.70 = 495,436.20 : x
  2. Step 2: Convert to fraction form
    1,294,463.40/1,940,312.70 = 495,436.20/x
  3. Step 3: Cross multiply
    1,294,463.40x = 1,940,312.70 × 495,436.20
  4. Step 4: Simplify right side
    1,294,463.40x = 961,301,150,899.74
  5. Step 5: Solve for x
    x = 961,301,150,899.74/1,294,463.40
  6. Step 6: Final answer
    x = 742,625.21

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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.