Home / 1,215,663.20-1,823,494.80-585,807.20

Finding the Fourth Proportional to 1,215,663.20, 1,823,494.80 and 585,807.20

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Solution

The fourth proportional to 1,215,663.20, 1,823,494.80 and 585,807.20 is: 878,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,663.20 : 1,823,494.80 = 585,807.20 : x
  2. Step 2: Convert to fraction form
    1,215,663.20/1,823,494.80 = 585,807.20/x
  3. Step 3: Cross multiply
    1,215,663.20x = 1,823,494.80 × 585,807.20
  4. Step 4: Simplify right side
    1,215,663.20x = 1,068,216,383,002.56
  5. Step 5: Solve for x
    x = 1,068,216,383,002.56/1,215,663.20
  6. Step 6: Final answer
    x = 878,710.80

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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.