Home / 1,208,830.80-1,813,692.60-498,920.40

Finding the Fourth Proportional to 1,208,830.80, 1,813,692.60 and 498,920.40

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Solution

The fourth proportional to 1,208,830.80, 1,813,692.60 and 498,920.40 is: 748,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,830.80 : 1,813,692.60 = 498,920.40 : x
  2. Step 2: Convert to fraction form
    1,208,830.80/1,813,692.60 = 498,920.40/x
  3. Step 3: Cross multiply
    1,208,830.80x = 1,813,692.60 × 498,920.40
  4. Step 4: Simplify right side
    1,208,830.80x = 904,888,237,469.04
  5. Step 5: Solve for x
    x = 904,888,237,469.04/1,208,830.80
  6. Step 6: Final answer
    x = 748,564.84

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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.