Home / 1,643,470.08-2,268,076.32-918,335.40

Finding the Fourth Proportional to 1,643,470.08, 2,268,076.32 and 918,335.40

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Solution

The fourth proportional to 1,643,470.08, 2,268,076.32 and 918,335.40 is: 1,267,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,470.08 : 2,268,076.32 = 918,335.40 : x
  2. Step 2: Convert to fraction form
    1,643,470.08/2,268,076.32 = 918,335.40/x
  3. Step 3: Cross multiply
    1,643,470.08x = 2,268,076.32 × 918,335.40
  4. Step 4: Simplify right side
    1,643,470.08x = 2,082,854,774,557.73
  5. Step 5: Solve for x
    x = 2,082,854,774,557.73/1,643,470.08
  6. Step 6: Final answer
    x = 1,267,351.81

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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.