Home / 1,643,579-2,268,096.74-918,432.66

Finding the Fourth Proportional to 1,643,579, 2,268,096.74 and 918,432.66

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Solution

The fourth proportional to 1,643,579, 2,268,096.74 and 918,432.66 is: 1,267,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,579 : 2,268,096.74 = 918,432.66 : x
  2. Step 2: Convert to fraction form
    1,643,579/2,268,096.74 = 918,432.66/x
  3. Step 3: Cross multiply
    1,643,579x = 2,268,096.74 × 918,432.66
  4. Step 4: Simplify right side
    1,643,579x = 2,083,094,122,055.53
  5. Step 5: Solve for x
    x = 2,083,094,122,055.53/1,643,579
  6. Step 6: Final answer
    x = 1,267,413.44

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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.