Home / 993,603.60-1,490,599.80-424,983.60

Finding the Fourth Proportional to 993,603.60, 1,490,599.80 and 424,983.60

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Solution

The fourth proportional to 993,603.60, 1,490,599.80 and 424,983.60 is: 637,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,603.60 : 1,490,599.80 = 424,983.60 : x
  2. Step 2: Convert to fraction form
    993,603.60/1,490,599.80 = 424,983.60/x
  3. Step 3: Cross multiply
    993,603.60x = 1,490,599.80 × 424,983.60
  4. Step 4: Simplify right side
    993,603.60x = 633,480,469,163.28
  5. Step 5: Solve for x
    x = 633,480,469,163.28/993,603.60
  6. Step 6: Final answer
    x = 637,558.55

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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.