Home / 1,668,347.88-2,301,508.26-988,803.24

Finding the Fourth Proportional to 1,668,347.88, 2,301,508.26 and 988,803.24

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Solution

The fourth proportional to 1,668,347.88, 2,301,508.26 and 988,803.24 is: 1,364,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,347.88 : 2,301,508.26 = 988,803.24 : x
  2. Step 2: Convert to fraction form
    1,668,347.88/2,301,508.26 = 988,803.24/x
  3. Step 3: Cross multiply
    1,668,347.88x = 2,301,508.26 × 988,803.24
  4. Step 4: Simplify right side
    1,668,347.88x = 2,275,738,824,374.76
  5. Step 5: Solve for x
    x = 2,275,738,824,374.76/1,668,347.88
  6. Step 6: Final answer
    x = 1,364,067.32

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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.