Home / 1,397,107.50-1,928,008.35-761,203.50

Finding the Fourth Proportional to 1,397,107.50, 1,928,008.35 and 761,203.50

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Solution

The fourth proportional to 1,397,107.50, 1,928,008.35 and 761,203.50 is: 1,050,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,107.50 : 1,928,008.35 = 761,203.50 : x
  2. Step 2: Convert to fraction form
    1,397,107.50/1,928,008.35 = 761,203.50/x
  3. Step 3: Cross multiply
    1,397,107.50x = 1,928,008.35 × 761,203.50
  4. Step 4: Simplify right side
    1,397,107.50x = 1,467,606,704,049.23
  5. Step 5: Solve for x
    x = 1,467,606,704,049.23/1,397,107.50
  6. Step 6: Final answer
    x = 1,050,460.83

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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.