Home / 1,129,505.32-1,693,882.14-455,412.52

Finding the Fourth Proportional to 1,129,505.32, 1,693,882.14 and 455,412.52

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Solution

The fourth proportional to 1,129,505.32, 1,693,882.14 and 455,412.52 is: 682,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,505.32 : 1,693,882.14 = 455,412.52 : x
  2. Step 2: Convert to fraction form
    1,129,505.32/1,693,882.14 = 455,412.52/x
  3. Step 3: Cross multiply
    1,129,505.32x = 1,693,882.14 × 455,412.52
  4. Step 4: Simplify right side
    1,129,505.32x = 771,415,133,960.39
  5. Step 5: Solve for x
    x = 771,415,133,960.39/1,129,505.32
  6. Step 6: Final answer
    x = 682,967.24

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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.