Home / 1,919,244.48-2,878,876.12-782,018

Finding the Fourth Proportional to 1,919,244.48, 2,878,876.12 and 782,018

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Solution

The fourth proportional to 1,919,244.48, 2,878,876.12 and 782,018 is: 1,173,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,244.48 : 2,878,876.12 = 782,018 : x
  2. Step 2: Convert to fraction form
    1,919,244.48/2,878,876.12 = 782,018/x
  3. Step 3: Cross multiply
    1,919,244.48x = 2,878,876.12 × 782,018
  4. Step 4: Simplify right side
    1,919,244.48x = 2,251,332,945,610.16
  5. Step 5: Solve for x
    x = 2,251,332,945,610.16/1,919,244.48
  6. Step 6: Final answer
    x = 1,173,030.83

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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.