Home / 1,353,208.88-2,029,559.28-679,109.36

Finding the Fourth Proportional to 1,353,208.88, 2,029,559.28 and 679,109.36

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Solution

The fourth proportional to 1,353,208.88, 2,029,559.28 and 679,109.36 is: 1,018,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,208.88 : 2,029,559.28 = 679,109.36 : x
  2. Step 2: Convert to fraction form
    1,353,208.88/2,029,559.28 = 679,109.36/x
  3. Step 3: Cross multiply
    1,353,208.88x = 2,029,559.28 × 679,109.36
  4. Step 4: Simplify right side
    1,353,208.88x = 1,378,292,703,722.86
  5. Step 5: Solve for x
    x = 1,378,292,703,722.86/1,353,208.88
  6. Step 6: Final answer
    x = 1,018,536.55

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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.