Home / 1,029,149.50-1,420,226.32-626,741.50

Finding the Fourth Proportional to 1,029,149.50, 1,420,226.32 and 626,741.50

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Solution

The fourth proportional to 1,029,149.50, 1,420,226.32 and 626,741.50 is: 864,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,149.50 : 1,420,226.32 = 626,741.50 : x
  2. Step 2: Convert to fraction form
    1,029,149.50/1,420,226.32 = 626,741.50/x
  3. Step 3: Cross multiply
    1,029,149.50x = 1,420,226.32 × 626,741.50
  4. Step 4: Simplify right side
    1,029,149.50x = 890,114,774,136.28
  5. Step 5: Solve for x
    x = 890,114,774,136.28/1,029,149.50
  6. Step 6: Final answer
    x = 864,903.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.