Home / 1,643,769.48-2,268,410.24-918,629.32

Finding the Fourth Proportional to 1,643,769.48, 2,268,410.24 and 918,629.32

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Solution

The fourth proportional to 1,643,769.48, 2,268,410.24 and 918,629.32 is: 1,267,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,769.48 : 2,268,410.24 = 918,629.32 : x
  2. Step 2: Convert to fraction form
    1,643,769.48/2,268,410.24 = 918,629.32/x
  3. Step 3: Cross multiply
    1,643,769.48x = 2,268,410.24 × 918,629.32
  4. Step 4: Simplify right side
    1,643,769.48x = 2,083,828,156,252.24
  5. Step 5: Solve for x
    x = 2,083,828,156,252.24/1,643,769.48
  6. Step 6: Final answer
    x = 1,267,713.13

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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.