Home / 1,455,293.52-2,008,306.17-810,715.32

Finding the Fourth Proportional to 1,455,293.52, 2,008,306.17 and 810,715.32

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Solution

The fourth proportional to 1,455,293.52, 2,008,306.17 and 810,715.32 is: 1,118,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,293.52 : 2,008,306.17 = 810,715.32 : x
  2. Step 2: Convert to fraction form
    1,455,293.52/2,008,306.17 = 810,715.32/x
  3. Step 3: Cross multiply
    1,455,293.52x = 2,008,306.17 × 810,715.32
  4. Step 4: Simplify right side
    1,455,293.52x = 1,628,164,579,269.52
  5. Step 5: Solve for x
    x = 1,628,164,579,269.52/1,455,293.52
  6. Step 6: Final answer
    x = 1,118,787.76

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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.