Home / 1,684,963.80-2,527,445.70-843,406.20

Finding the Fourth Proportional to 1,684,963.80, 2,527,445.70 and 843,406.20

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Solution

The fourth proportional to 1,684,963.80, 2,527,445.70 and 843,406.20 is: 1,265,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,963.80 : 2,527,445.70 = 843,406.20 : x
  2. Step 2: Convert to fraction form
    1,684,963.80/2,527,445.70 = 843,406.20/x
  3. Step 3: Cross multiply
    1,684,963.80x = 2,527,445.70 × 843,406.20
  4. Step 4: Simplify right side
    1,684,963.80x = 2,131,663,373,543.34
  5. Step 5: Solve for x
    x = 2,131,663,373,543.34/1,684,963.80
  6. Step 6: Final answer
    x = 1,265,109.30

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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.