Home / 1,360,220.60-2,040,330.90-1,213,254.20

Finding the Fourth Proportional to 1,360,220.60, 2,040,330.90 and 1,213,254.20

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Solution

The fourth proportional to 1,360,220.60, 2,040,330.90 and 1,213,254.20 is: 1,819,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,220.60 : 2,040,330.90 = 1,213,254.20 : x
  2. Step 2: Convert to fraction form
    1,360,220.60/2,040,330.90 = 1,213,254.20/x
  3. Step 3: Cross multiply
    1,360,220.60x = 2,040,330.90 × 1,213,254.20
  4. Step 4: Simplify right side
    1,360,220.60x = 2,475,440,033,814.78
  5. Step 5: Solve for x
    x = 2,475,440,033,814.78/1,360,220.60
  6. Step 6: Final answer
    x = 1,819,881.30

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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.