Home / 1,768,180.80-2,652,271.20-1,325,812.80

Finding the Fourth Proportional to 1,768,180.80, 2,652,271.20 and 1,325,812.80

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Solution

The fourth proportional to 1,768,180.80, 2,652,271.20 and 1,325,812.80 is: 1,988,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,180.80 : 2,652,271.20 = 1,325,812.80 : x
  2. Step 2: Convert to fraction form
    1,768,180.80/2,652,271.20 = 1,325,812.80/x
  3. Step 3: Cross multiply
    1,768,180.80x = 2,652,271.20 × 1,325,812.80
  4. Step 4: Simplify right side
    1,768,180.80x = 3,516,415,106,031.36
  5. Step 5: Solve for x
    x = 3,516,415,106,031.36/1,768,180.80
  6. Step 6: Final answer
    x = 1,988,719.20

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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.