Home / 1,263,509.01-1,739,248.61-1,102,082.90

Finding the Fourth Proportional to 1,263,509.01, 1,739,248.61 and 1,102,082.90

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Solution

The fourth proportional to 1,263,509.01, 1,739,248.61 and 1,102,082.90 is: 1,517,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,509.01 : 1,739,248.61 = 1,102,082.90 : x
  2. Step 2: Convert to fraction form
    1,263,509.01/1,739,248.61 = 1,102,082.90/x
  3. Step 3: Cross multiply
    1,263,509.01x = 1,739,248.61 × 1,102,082.90
  4. Step 4: Simplify right side
    1,263,509.01x = 1,916,796,137,723.11
  5. Step 5: Solve for x
    x = 1,916,796,137,723.11/1,263,509.01
  6. Step 6: Final answer
    x = 1,517,041.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.