Home / 1,436,490.60-2,154,735.90-838,127.40

Finding the Fourth Proportional to 1,436,490.60, 2,154,735.90 and 838,127.40

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Solution

The fourth proportional to 1,436,490.60, 2,154,735.90 and 838,127.40 is: 1,257,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,490.60 : 2,154,735.90 = 838,127.40 : x
  2. Step 2: Convert to fraction form
    1,436,490.60/2,154,735.90 = 838,127.40/x
  3. Step 3: Cross multiply
    1,436,490.60x = 2,154,735.90 × 838,127.40
  4. Step 4: Simplify right side
    1,436,490.60x = 1,805,943,197,553.66
  5. Step 5: Solve for x
    x = 1,805,943,197,553.66/1,436,490.60
  6. Step 6: Final answer
    x = 1,257,191.10

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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.