Home / 1,554,430.90-2,331,974.40-489,580.60

Finding the Fourth Proportional to 1,554,430.90, 2,331,974.40 and 489,580.60

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Solution

The fourth proportional to 1,554,430.90, 2,331,974.40 and 489,580.60 is: 734,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,430.90 : 2,331,974.40 = 489,580.60 : x
  2. Step 2: Convert to fraction form
    1,554,430.90/2,331,974.40 = 489,580.60/x
  3. Step 3: Cross multiply
    1,554,430.90x = 2,331,974.40 × 489,580.60
  4. Step 4: Simplify right side
    1,554,430.90x = 1,141,689,425,936.64
  5. Step 5: Solve for x
    x = 1,141,689,425,936.64/1,554,430.90
  6. Step 6: Final answer
    x = 734,474.22

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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.