Home / 1,361,334.60-2,042,001.90-1,214,368.20

Finding the Fourth Proportional to 1,361,334.60, 2,042,001.90 and 1,214,368.20

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Solution

The fourth proportional to 1,361,334.60, 2,042,001.90 and 1,214,368.20 is: 1,821,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,334.60 : 2,042,001.90 = 1,214,368.20 : x
  2. Step 2: Convert to fraction form
    1,361,334.60/2,042,001.90 = 1,214,368.20/x
  3. Step 3: Cross multiply
    1,361,334.60x = 2,042,001.90 × 1,214,368.20
  4. Step 4: Simplify right side
    1,361,334.60x = 2,479,742,171,699.58
  5. Step 5: Solve for x
    x = 2,479,742,171,699.58/1,361,334.60
  6. Step 6: Final answer
    x = 1,821,552.30

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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.