Home / 1,129,530.32-1,693,919.61-455,437.52

Finding the Fourth Proportional to 1,129,530.32, 1,693,919.61 and 455,437.52

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Solution

The fourth proportional to 1,129,530.32, 1,693,919.61 and 455,437.52 is: 683,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,530.32 : 1,693,919.61 = 455,437.52 : x
  2. Step 2: Convert to fraction form
    1,129,530.32/1,693,919.61 = 455,437.52/x
  3. Step 3: Cross multiply
    1,129,530.32x = 1,693,919.61 × 455,437.52
  4. Step 4: Simplify right side
    1,129,530.32x = 771,474,546,257.77
  5. Step 5: Solve for x
    x = 771,474,546,257.77/1,129,530.32
  6. Step 6: Final answer
    x = 683,004.73

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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.