Home / 1,345,051.30-1,856,145.45-733,209.70

Finding the Fourth Proportional to 1,345,051.30, 1,856,145.45 and 733,209.70

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Solution

The fourth proportional to 1,345,051.30, 1,856,145.45 and 733,209.70 is: 1,011,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,051.30 : 1,856,145.45 = 733,209.70 : x
  2. Step 2: Convert to fraction form
    1,345,051.30/1,856,145.45 = 733,209.70/x
  3. Step 3: Cross multiply
    1,345,051.30x = 1,856,145.45 × 733,209.70
  4. Step 4: Simplify right side
    1,345,051.30x = 1,360,943,848,550.87
  5. Step 5: Solve for x
    x = 1,360,943,848,550.87/1,345,051.30
  6. Step 6: Final answer
    x = 1,011,815.57

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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.