Home / 1,215,505.76-1,823,260.02-316,946.72

Finding the Fourth Proportional to 1,215,505.76, 1,823,260.02 and 316,946.72

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Solution

The fourth proportional to 1,215,505.76, 1,823,260.02 and 316,946.72 is: 475,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,505.76 : 1,823,260.02 = 316,946.72 : x
  2. Step 2: Convert to fraction form
    1,215,505.76/1,823,260.02 = 316,946.72/x
  3. Step 3: Cross multiply
    1,215,505.76x = 1,823,260.02 × 316,946.72
  4. Step 4: Simplify right side
    1,215,505.76x = 577,876,283,046.13
  5. Step 5: Solve for x
    x = 577,876,283,046.13/1,215,505.76
  6. Step 6: Final answer
    x = 475,420.44

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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.