Home / 1,689,297.60-2,532,544.80-624,139.20

Finding the Fourth Proportional to 1,689,297.60, 2,532,544.80 and 624,139.20

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Solution

The fourth proportional to 1,689,297.60, 2,532,544.80 and 624,139.20 is: 935,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,297.60 : 2,532,544.80 = 624,139.20 : x
  2. Step 2: Convert to fraction form
    1,689,297.60/2,532,544.80 = 624,139.20/x
  3. Step 3: Cross multiply
    1,689,297.60x = 2,532,544.80 × 624,139.20
  4. Step 4: Simplify right side
    1,689,297.60x = 1,580,660,485,436.16
  5. Step 5: Solve for x
    x = 1,580,660,485,436.16/1,689,297.60
  6. Step 6: Final answer
    x = 935,690.96

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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.