Home / 1,208,320.80-1,813,137.30-498,420.60

Finding the Fourth Proportional to 1,208,320.80, 1,813,137.30 and 498,420.60

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Solution

The fourth proportional to 1,208,320.80, 1,813,137.30 and 498,420.60 is: 747,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,320.80 : 1,813,137.30 = 498,420.60 : x
  2. Step 2: Convert to fraction form
    1,208,320.80/1,813,137.30 = 498,420.60/x
  3. Step 3: Cross multiply
    1,208,320.80x = 1,813,137.30 × 498,420.60
  4. Step 4: Simplify right side
    1,208,320.80x = 903,704,980,948.38
  5. Step 5: Solve for x
    x = 903,704,980,948.38/1,208,320.80
  6. Step 6: Final answer
    x = 747,901.53

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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.