Home / 1,331,870.22-1,997,473.14-522,419.13

Finding the Fourth Proportional to 1,331,870.22, 1,997,473.14 and 522,419.13

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Solution

The fourth proportional to 1,331,870.22, 1,997,473.14 and 522,419.13 is: 783,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,870.22 : 1,997,473.14 = 522,419.13 : x
  2. Step 2: Convert to fraction form
    1,331,870.22/1,997,473.14 = 522,419.13/x
  3. Step 3: Cross multiply
    1,331,870.22x = 1,997,473.14 × 522,419.13
  4. Step 4: Simplify right side
    1,331,870.22x = 1,043,518,179,997.17
  5. Step 5: Solve for x
    x = 1,043,518,179,997.17/1,331,870.22
  6. Step 6: Final answer
    x = 783,498.40

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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.