Home / 1,137,621.69-1,706,439.13-379,461.24

Finding the Fourth Proportional to 1,137,621.69, 1,706,439.13 and 379,461.24

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Solution

The fourth proportional to 1,137,621.69, 1,706,439.13 and 379,461.24 is: 569,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,621.69 : 1,706,439.13 = 379,461.24 : x
  2. Step 2: Convert to fraction form
    1,137,621.69/1,706,439.13 = 379,461.24/x
  3. Step 3: Cross multiply
    1,137,621.69x = 1,706,439.13 × 379,461.24
  4. Step 4: Simplify right side
    1,137,621.69x = 647,527,507,305.67
  5. Step 5: Solve for x
    x = 647,527,507,305.67/1,137,621.69
  6. Step 6: Final answer
    x = 569,194.06

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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.