Home / 1,623,621.62-2,435,382.20-771,306.82

Finding the Fourth Proportional to 1,623,621.62, 2,435,382.20 and 771,306.82

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Solution

The fourth proportional to 1,623,621.62, 2,435,382.20 and 771,306.82 is: 1,156,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,621.62 : 2,435,382.20 = 771,306.82 : x
  2. Step 2: Convert to fraction form
    1,623,621.62/2,435,382.20 = 771,306.82/x
  3. Step 3: Cross multiply
    1,623,621.62x = 2,435,382.20 × 771,306.82
  4. Step 4: Simplify right side
    1,623,621.62x = 1,878,426,900,166.60
  5. Step 5: Solve for x
    x = 1,878,426,900,166.60/1,623,621.62
  6. Step 6: Final answer
    x = 1,156,936.37

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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.