Home / 1,396,752.15-2,095,107.48-385,851.75

Finding the Fourth Proportional to 1,396,752.15, 2,095,107.48 and 385,851.75

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Solution

The fourth proportional to 1,396,752.15, 2,095,107.48 and 385,851.75 is: 578,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,752.15 : 2,095,107.48 = 385,851.75 : x
  2. Step 2: Convert to fraction form
    1,396,752.15/2,095,107.48 = 385,851.75/x
  3. Step 3: Cross multiply
    1,396,752.15x = 2,095,107.48 × 385,851.75
  4. Step 4: Simplify right side
    1,396,752.15x = 808,400,887,596.09
  5. Step 5: Solve for x
    x = 808,400,887,596.09/1,396,752.15
  6. Step 6: Final answer
    x = 578,771.89

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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.