Home / 810,552.60-1,215,827.25-761,228.24

Finding the Fourth Proportional to 810,552.60, 1,215,827.25 and 761,228.24

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Solution

The fourth proportional to 810,552.60, 1,215,827.25 and 761,228.24 is: 1,141,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,552.60 : 1,215,827.25 = 761,228.24 : x
  2. Step 2: Convert to fraction form
    810,552.60/1,215,827.25 = 761,228.24/x
  3. Step 3: Cross multiply
    810,552.60x = 1,215,827.25 × 761,228.24
  4. Step 4: Simplify right side
    810,552.60x = 925,522,031,582.40
  5. Step 5: Solve for x
    x = 925,522,031,582.40/810,552.60
  6. Step 6: Final answer
    x = 1,141,840.80

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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.