Home / 1,318,528.80-1,977,793.20-476,883.72

Finding the Fourth Proportional to 1,318,528.80, 1,977,793.20 and 476,883.72

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Solution

The fourth proportional to 1,318,528.80, 1,977,793.20 and 476,883.72 is: 715,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,528.80 : 1,977,793.20 = 476,883.72 : x
  2. Step 2: Convert to fraction form
    1,318,528.80/1,977,793.20 = 476,883.72/x
  3. Step 3: Cross multiply
    1,318,528.80x = 1,977,793.20 × 476,883.72
  4. Step 4: Simplify right side
    1,318,528.80x = 943,177,378,606.70
  5. Step 5: Solve for x
    x = 943,177,378,606.70/1,318,528.80
  6. Step 6: Final answer
    x = 715,325.58

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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.