Home / 1,452,001.80-2,178,002.70-1,299,786.60

Finding the Fourth Proportional to 1,452,001.80, 2,178,002.70 and 1,299,786.60

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Solution

The fourth proportional to 1,452,001.80, 2,178,002.70 and 1,299,786.60 is: 1,949,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,001.80 : 2,178,002.70 = 1,299,786.60 : x
  2. Step 2: Convert to fraction form
    1,452,001.80/2,178,002.70 = 1,299,786.60/x
  3. Step 3: Cross multiply
    1,452,001.80x = 2,178,002.70 × 1,299,786.60
  4. Step 4: Simplify right side
    1,452,001.80x = 2,830,938,724,223.82
  5. Step 5: Solve for x
    x = 2,830,938,724,223.82/1,452,001.80
  6. Step 6: Final answer
    x = 1,949,679.90

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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.