Home / 1,386,546.48-2,080,588.68-676,580.40

Finding the Fourth Proportional to 1,386,546.48, 2,080,588.68 and 676,580.40

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Solution

The fourth proportional to 1,386,546.48, 2,080,588.68 and 676,580.40 is: 1,015,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,546.48 : 2,080,588.68 = 676,580.40 : x
  2. Step 2: Convert to fraction form
    1,386,546.48/2,080,588.68 = 676,580.40/x
  3. Step 3: Cross multiply
    1,386,546.48x = 2,080,588.68 × 676,580.40
  4. Step 4: Simplify right side
    1,386,546.48x = 1,407,685,521,349.87
  5. Step 5: Solve for x
    x = 1,407,685,521,349.87/1,386,546.48
  6. Step 6: Final answer
    x = 1,015,245.82

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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.