Home / 1,388,197.90-2,079,344.40-1,152,001.90

Finding the Fourth Proportional to 1,388,197.90, 2,079,344.40 and 1,152,001.90

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Solution

The fourth proportional to 1,388,197.90, 2,079,344.40 and 1,152,001.90 is: 1,725,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,197.90 : 2,079,344.40 = 1,152,001.90 : x
  2. Step 2: Convert to fraction form
    1,388,197.90/2,079,344.40 = 1,152,001.90/x
  3. Step 3: Cross multiply
    1,388,197.90x = 2,079,344.40 × 1,152,001.90
  4. Step 4: Simplify right side
    1,388,197.90x = 2,395,408,699,554.36
  5. Step 5: Solve for x
    x = 2,395,408,699,554.36/1,388,197.90
  6. Step 6: Final answer
    x = 1,725,552.75

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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.