Home / 1,440,621.57-2,160,299.19-766,542.63

Finding the Fourth Proportional to 1,440,621.57, 2,160,299.19 and 766,542.63

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Solution

The fourth proportional to 1,440,621.57, 2,160,299.19 and 766,542.63 is: 1,149,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,621.57 : 2,160,299.19 = 766,542.63 : x
  2. Step 2: Convert to fraction form
    1,440,621.57/2,160,299.19 = 766,542.63/x
  3. Step 3: Cross multiply
    1,440,621.57x = 2,160,299.19 × 766,542.63
  4. Step 4: Simplify right side
    1,440,621.57x = 1,655,961,422,689.47
  5. Step 5: Solve for x
    x = 1,655,961,422,689.47/1,440,621.57
  6. Step 6: Final answer
    x = 1,149,477.04

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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.