Home / 1,361,278.24-2,041,916.72-561,680.64

Finding the Fourth Proportional to 1,361,278.24, 2,041,916.72 and 561,680.64

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Solution

The fourth proportional to 1,361,278.24, 2,041,916.72 and 561,680.64 is: 842,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,278.24 : 2,041,916.72 = 561,680.64 : x
  2. Step 2: Convert to fraction form
    1,361,278.24/2,041,916.72 = 561,680.64/x
  3. Step 3: Cross multiply
    1,361,278.24x = 2,041,916.72 × 561,680.64
  4. Step 4: Simplify right side
    1,361,278.24x = 1,146,905,090,116.30
  5. Step 5: Solve for x
    x = 1,146,905,090,116.30/1,361,278.24
  6. Step 6: Final answer
    x = 842,520.70

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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.