Home / 1,260,480.40-1,889,143.80-629,570.32

Finding the Fourth Proportional to 1,260,480.40, 1,889,143.80 and 629,570.32

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Solution

The fourth proportional to 1,260,480.40, 1,889,143.80 and 629,570.32 is: 943,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,480.40 : 1,889,143.80 = 629,570.32 : x
  2. Step 2: Convert to fraction form
    1,260,480.40/1,889,143.80 = 629,570.32/x
  3. Step 3: Cross multiply
    1,260,480.40x = 1,889,143.80 × 629,570.32
  4. Step 4: Simplify right side
    1,260,480.40x = 1,189,348,866,692.02
  5. Step 5: Solve for x
    x = 1,189,348,866,692.02/1,260,480.40
  6. Step 6: Final answer
    x = 943,567.92

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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.