Home / 1,400,531.80-2,100,797.70-403,360.60

Finding the Fourth Proportional to 1,400,531.80, 2,100,797.70 and 403,360.60

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Solution

The fourth proportional to 1,400,531.80, 2,100,797.70 and 403,360.60 is: 605,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,531.80 : 2,100,797.70 = 403,360.60 : x
  2. Step 2: Convert to fraction form
    1,400,531.80/2,100,797.70 = 403,360.60/x
  3. Step 3: Cross multiply
    1,400,531.80x = 2,100,797.70 × 403,360.60
  4. Step 4: Simplify right side
    1,400,531.80x = 847,379,020,750.62
  5. Step 5: Solve for x
    x = 847,379,020,750.62/1,400,531.80
  6. Step 6: Final answer
    x = 605,040.90

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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.