Home / 1,355,090.58-1,870,012.26-743,230.89

Finding the Fourth Proportional to 1,355,090.58, 1,870,012.26 and 743,230.89

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Solution

The fourth proportional to 1,355,090.58, 1,870,012.26 and 743,230.89 is: 1,025,651.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,090.58 : 1,870,012.26 = 743,230.89 : x
  2. Step 2: Convert to fraction form
    1,355,090.58/1,870,012.26 = 743,230.89/x
  3. Step 3: Cross multiply
    1,355,090.58x = 1,870,012.26 × 743,230.89
  4. Step 4: Simplify right side
    1,355,090.58x = 1,389,850,876,310.71
  5. Step 5: Solve for x
    x = 1,389,850,876,310.71/1,355,090.58
  6. Step 6: Final answer
    x = 1,025,651.64

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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.