Home / 1,300,515.60-1,950,773.40-822,218.70

Finding the Fourth Proportional to 1,300,515.60, 1,950,773.40 and 822,218.70

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Solution

The fourth proportional to 1,300,515.60, 1,950,773.40 and 822,218.70 is: 1,233,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,515.60 : 1,950,773.40 = 822,218.70 : x
  2. Step 2: Convert to fraction form
    1,300,515.60/1,950,773.40 = 822,218.70/x
  3. Step 3: Cross multiply
    1,300,515.60x = 1,950,773.40 × 822,218.70
  4. Step 4: Simplify right side
    1,300,515.60x = 1,603,962,368,942.58
  5. Step 5: Solve for x
    x = 1,603,962,368,942.58/1,300,515.60
  6. Step 6: Final answer
    x = 1,233,328.05

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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.