Home / 1,455,171.34-2,007,869.95-810,575.50

Finding the Fourth Proportional to 1,455,171.34, 2,007,869.95 and 810,575.50

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Solution

The fourth proportional to 1,455,171.34, 2,007,869.95 and 810,575.50 is: 1,118,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,171.34 : 2,007,869.95 = 810,575.50 : x
  2. Step 2: Convert to fraction form
    1,455,171.34/2,007,869.95 = 810,575.50/x
  3. Step 3: Cross multiply
    1,455,171.34x = 2,007,869.95 × 810,575.50
  4. Step 4: Simplify right side
    1,455,171.34x = 1,627,530,188,656.23
  5. Step 5: Solve for x
    x = 1,627,530,188,656.23/1,455,171.34
  6. Step 6: Final answer
    x = 1,118,445.74

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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.