Home / 1,387,305.74-2,079,539.69-702,924.79

Finding the Fourth Proportional to 1,387,305.74, 2,079,539.69 and 702,924.79

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Solution

The fourth proportional to 1,387,305.74, 2,079,539.69 and 702,924.79 is: 1,053,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,305.74 : 2,079,539.69 = 702,924.79 : x
  2. Step 2: Convert to fraction form
    1,387,305.74/2,079,539.69 = 702,924.79/x
  3. Step 3: Cross multiply
    1,387,305.74x = 2,079,539.69 × 702,924.79
  4. Step 4: Simplify right side
    1,387,305.74x = 1,461,759,999,889.92
  5. Step 5: Solve for x
    x = 1,461,759,999,889.92/1,387,305.74
  6. Step 6: Final answer
    x = 1,053,668.24

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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.