Home / 1,312,847.52-1,811,704.32-739,876.32

Finding the Fourth Proportional to 1,312,847.52, 1,811,704.32 and 739,876.32

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Solution

The fourth proportional to 1,312,847.52, 1,811,704.32 and 739,876.32 is: 1,021,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,847.52 : 1,811,704.32 = 739,876.32 : x
  2. Step 2: Convert to fraction form
    1,312,847.52/1,811,704.32 = 739,876.32/x
  3. Step 3: Cross multiply
    1,312,847.52x = 1,811,704.32 × 739,876.32
  4. Step 4: Simplify right side
    1,312,847.52x = 1,340,437,125,209.70
  5. Step 5: Solve for x
    x = 1,340,437,125,209.70/1,312,847.52
  6. Step 6: Final answer
    x = 1,021,015.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.