Home / 1,445,635.60-2,168,453.40-1,214,688.40

Finding the Fourth Proportional to 1,445,635.60, 2,168,453.40 and 1,214,688.40

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Solution

The fourth proportional to 1,445,635.60, 2,168,453.40 and 1,214,688.40 is: 1,822,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,635.60 : 2,168,453.40 = 1,214,688.40 : x
  2. Step 2: Convert to fraction form
    1,445,635.60/2,168,453.40 = 1,214,688.40/x
  3. Step 3: Cross multiply
    1,445,635.60x = 2,168,453.40 × 1,214,688.40
  4. Step 4: Simplify right side
    1,445,635.60x = 2,633,995,190,920.56
  5. Step 5: Solve for x
    x = 2,633,995,190,920.56/1,445,635.60
  6. Step 6: Final answer
    x = 1,822,032.60

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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.