Home / 1,293,746.40-1,940,619.60-407,167.20

Finding the Fourth Proportional to 1,293,746.40, 1,940,619.60 and 407,167.20

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Solution

The fourth proportional to 1,293,746.40, 1,940,619.60 and 407,167.20 is: 610,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,746.40 : 1,940,619.60 = 407,167.20 : x
  2. Step 2: Convert to fraction form
    1,293,746.40/1,940,619.60 = 407,167.20/x
  3. Step 3: Cross multiply
    1,293,746.40x = 1,940,619.60 × 407,167.20
  4. Step 4: Simplify right side
    1,293,746.40x = 790,156,648,797.12
  5. Step 5: Solve for x
    x = 790,156,648,797.12/1,293,746.40
  6. Step 6: Final answer
    x = 610,750.80

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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.