Home / 1,314,010.60-1,971,015.90-367,379.80

Finding the Fourth Proportional to 1,314,010.60, 1,971,015.90 and 367,379.80

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Solution

The fourth proportional to 1,314,010.60, 1,971,015.90 and 367,379.80 is: 551,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,010.60 : 1,971,015.90 = 367,379.80 : x
  2. Step 2: Convert to fraction form
    1,314,010.60/1,971,015.90 = 367,379.80/x
  3. Step 3: Cross multiply
    1,314,010.60x = 1,971,015.90 × 367,379.80
  4. Step 4: Simplify right side
    1,314,010.60x = 724,111,427,138.82
  5. Step 5: Solve for x
    x = 724,111,427,138.82/1,314,010.60
  6. Step 6: Final answer
    x = 551,069.70

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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.