Home / 1,116,142.40-1,540,234.40-606,827.20

Finding the Fourth Proportional to 1,116,142.40, 1,540,234.40 and 606,827.20

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Solution

The fourth proportional to 1,116,142.40, 1,540,234.40 and 606,827.20 is: 837,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,142.40 : 1,540,234.40 = 606,827.20 : x
  2. Step 2: Convert to fraction form
    1,116,142.40/1,540,234.40 = 606,827.20/x
  3. Step 3: Cross multiply
    1,116,142.40x = 1,540,234.40 × 606,827.20
  4. Step 4: Simplify right side
    1,116,142.40x = 934,656,128,295.68
  5. Step 5: Solve for x
    x = 934,656,128,295.68/1,116,142.40
  6. Step 6: Final answer
    x = 837,398.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.