Home / 1,543,085.52-2,313,506.70-644,784.36

Finding the Fourth Proportional to 1,543,085.52, 2,313,506.70 and 644,784.36

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Solution

The fourth proportional to 1,543,085.52, 2,313,506.70 and 644,784.36 is: 966,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,085.52 : 2,313,506.70 = 644,784.36 : x
  2. Step 2: Convert to fraction form
    1,543,085.52/2,313,506.70 = 644,784.36/x
  3. Step 3: Cross multiply
    1,543,085.52x = 2,313,506.70 × 644,784.36
  4. Step 4: Simplify right side
    1,543,085.52x = 1,491,712,936,915.21
  5. Step 5: Solve for x
    x = 1,491,712,936,915.21/1,543,085.52
  6. Step 6: Final answer
    x = 966,707.88

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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.