Home / 1,554,429.90-2,331,972.90-489,579.60

Finding the Fourth Proportional to 1,554,429.90, 2,331,972.90 and 489,579.60

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Solution

The fourth proportional to 1,554,429.90, 2,331,972.90 and 489,579.60 is: 734,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,429.90 : 2,331,972.90 = 489,579.60 : x
  2. Step 2: Convert to fraction form
    1,554,429.90/2,331,972.90 = 489,579.60/x
  3. Step 3: Cross multiply
    1,554,429.90x = 2,331,972.90 × 489,579.60
  4. Step 4: Simplify right side
    1,554,429.90x = 1,141,686,359,592.84
  5. Step 5: Solve for x
    x = 1,141,686,359,592.84/1,554,429.90
  6. Step 6: Final answer
    x = 734,472.72

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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.