Home / 1,488,876.22-2,232,413.38-668,064.36

Finding the Fourth Proportional to 1,488,876.22, 2,232,413.38 and 668,064.36

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Solution

The fourth proportional to 1,488,876.22, 2,232,413.38 and 668,064.36 is: 1,001,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,876.22 : 2,232,413.38 = 668,064.36 : x
  2. Step 2: Convert to fraction form
    1,488,876.22/2,232,413.38 = 668,064.36/x
  3. Step 3: Cross multiply
    1,488,876.22x = 2,232,413.38 × 668,064.36
  4. Step 4: Simplify right side
    1,488,876.22x = 1,491,395,812,624.82
  5. Step 5: Solve for x
    x = 1,491,395,812,624.82/1,488,876.22
  6. Step 6: Final answer
    x = 1,001,692.28

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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.