Home / 1,316,145.60-1,816,313.94-743,189.85

Finding the Fourth Proportional to 1,316,145.60, 1,816,313.94 and 743,189.85

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Solution

The fourth proportional to 1,316,145.60, 1,816,313.94 and 743,189.85 is: 1,025,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,145.60 : 1,816,313.94 = 743,189.85 : x
  2. Step 2: Convert to fraction form
    1,316,145.60/1,816,313.94 = 743,189.85/x
  3. Step 3: Cross multiply
    1,316,145.60x = 1,816,313.94 × 743,189.85
  4. Step 4: Simplify right side
    1,316,145.60x = 1,349,866,084,621.51
  5. Step 5: Solve for x
    x = 1,349,866,084,621.51/1,316,145.60
  6. Step 6: Final answer
    x = 1,025,620.63

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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.