Home / 1,388,202.40-2,079,351.15-1,152,006.40

Finding the Fourth Proportional to 1,388,202.40, 2,079,351.15 and 1,152,006.40

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Solution

The fourth proportional to 1,388,202.40, 2,079,351.15 and 1,152,006.40 is: 1,725,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,202.40 : 2,079,351.15 = 1,152,006.40 : x
  2. Step 2: Convert to fraction form
    1,388,202.40/2,079,351.15 = 1,152,006.40/x
  3. Step 3: Cross multiply
    1,388,202.40x = 2,079,351.15 × 1,152,006.40
  4. Step 4: Simplify right side
    1,388,202.40x = 2,395,425,832,647.36
  5. Step 5: Solve for x
    x = 2,395,425,832,647.36/1,388,202.40
  6. Step 6: Final answer
    x = 1,725,559.50

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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.