Home / 1,209,730.80-1,815,252.30-499,830.60

Finding the Fourth Proportional to 1,209,730.80, 1,815,252.30 and 499,830.60

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Solution

The fourth proportional to 1,209,730.80, 1,815,252.30 and 499,830.60 is: 750,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,730.80 : 1,815,252.30 = 499,830.60 : x
  2. Step 2: Convert to fraction form
    1,209,730.80/1,815,252.30 = 499,830.60/x
  3. Step 3: Cross multiply
    1,209,730.80x = 1,815,252.30 × 499,830.60
  4. Step 4: Simplify right side
    1,209,730.80x = 907,318,646,260.38
  5. Step 5: Solve for x
    x = 907,318,646,260.38/1,209,730.80
  6. Step 6: Final answer
    x = 750,016.98

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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.