Home / 1,436,450.10-2,154,675.15-838,086.90

Finding the Fourth Proportional to 1,436,450.10, 2,154,675.15 and 838,086.90

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Solution

The fourth proportional to 1,436,450.10, 2,154,675.15 and 838,086.90 is: 1,257,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,450.10 : 2,154,675.15 = 838,086.90 : x
  2. Step 2: Convert to fraction form
    1,436,450.10/2,154,675.15 = 838,086.90/x
  3. Step 3: Cross multiply
    1,436,450.10x = 2,154,675.15 × 838,086.90
  4. Step 4: Simplify right side
    1,436,450.10x = 1,805,805,016,970.54
  5. Step 5: Solve for x
    x = 1,805,805,016,970.54/1,436,450.10
  6. Step 6: Final answer
    x = 1,257,130.35

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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.