Home / 1,436,621.60-2,154,932.40-838,258.40

Finding the Fourth Proportional to 1,436,621.60, 2,154,932.40 and 838,258.40

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Solution

The fourth proportional to 1,436,621.60, 2,154,932.40 and 838,258.40 is: 1,257,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,621.60 : 2,154,932.40 = 838,258.40 : x
  2. Step 2: Convert to fraction form
    1,436,621.60/2,154,932.40 = 838,258.40/x
  3. Step 3: Cross multiply
    1,436,621.60x = 2,154,932.40 × 838,258.40
  4. Step 4: Simplify right side
    1,436,621.60x = 1,806,390,185,732.16
  5. Step 5: Solve for x
    x = 1,806,390,185,732.16/1,436,621.60
  6. Step 6: Final answer
    x = 1,257,387.60

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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.