Home / 1,154,404.70-1,593,080.64-645,107.07

Finding the Fourth Proportional to 1,154,404.70, 1,593,080.64 and 645,107.07

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Solution

The fourth proportional to 1,154,404.70, 1,593,080.64 and 645,107.07 is: 890,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,404.70 : 1,593,080.64 = 645,107.07 : x
  2. Step 2: Convert to fraction form
    1,154,404.70/1,593,080.64 = 645,107.07/x
  3. Step 3: Cross multiply
    1,154,404.70x = 1,593,080.64 × 645,107.07
  4. Step 4: Simplify right side
    1,154,404.70x = 1,027,707,583,944.12
  5. Step 5: Solve for x
    x = 1,027,707,583,944.12/1,154,404.70
  6. Step 6: Final answer
    x = 890,248.96

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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.