Home / 1,340,971.34-2,011,578.52-442,415.66

Finding the Fourth Proportional to 1,340,971.34, 2,011,578.52 and 442,415.66

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Solution

The fourth proportional to 1,340,971.34, 2,011,578.52 and 442,415.66 is: 663,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,971.34 : 2,011,578.52 = 442,415.66 : x
  2. Step 2: Convert to fraction form
    1,340,971.34/2,011,578.52 = 442,415.66/x
  3. Step 3: Cross multiply
    1,340,971.34x = 2,011,578.52 × 442,415.66
  4. Step 4: Simplify right side
    1,340,971.34x = 889,953,838,567.62
  5. Step 5: Solve for x
    x = 889,953,838,567.62/1,340,971.34
  6. Step 6: Final answer
    x = 663,663.58

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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.