Home / 1,689,356.35-2,534,013.38-409,974.42

Finding the Fourth Proportional to 1,689,356.35, 2,534,013.38 and 409,974.42

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Solution

The fourth proportional to 1,689,356.35, 2,534,013.38 and 409,974.42 is: 614,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,356.35 : 2,534,013.38 = 409,974.42 : x
  2. Step 2: Convert to fraction form
    1,689,356.35/2,534,013.38 = 409,974.42/x
  3. Step 3: Cross multiply
    1,689,356.35x = 2,534,013.38 × 409,974.42
  4. Step 4: Simplify right side
    1,689,356.35x = 1,038,880,665,737.74
  5. Step 5: Solve for x
    x = 1,038,880,665,737.74/1,689,356.35
  6. Step 6: Final answer
    x = 614,956.50

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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.