Home / 1,306,914.13-1,958,901.85-665,417.22

Finding the Fourth Proportional to 1,306,914.13, 1,958,901.85 and 665,417.22

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Solution

The fourth proportional to 1,306,914.13, 1,958,901.85 and 665,417.22 is: 997,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,914.13 : 1,958,901.85 = 665,417.22 : x
  2. Step 2: Convert to fraction form
    1,306,914.13/1,958,901.85 = 665,417.22/x
  3. Step 3: Cross multiply
    1,306,914.13x = 1,958,901.85 × 665,417.22
  4. Step 4: Simplify right side
    1,306,914.13x = 1,303,487,023,279.86
  5. Step 5: Solve for x
    x = 1,303,487,023,279.86/1,306,914.13
  6. Step 6: Final answer
    x = 997,377.71

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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.