Home / 1,458,051.20-2,189,409.60-1,103,465.60

Finding the Fourth Proportional to 1,458,051.20, 2,189,409.60 and 1,103,465.60

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Solution

The fourth proportional to 1,458,051.20, 2,189,409.60 and 1,103,465.60 is: 1,656,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,051.20 : 2,189,409.60 = 1,103,465.60 : x
  2. Step 2: Convert to fraction form
    1,458,051.20/2,189,409.60 = 1,103,465.60/x
  3. Step 3: Cross multiply
    1,458,051.20x = 2,189,409.60 × 1,103,465.60
  4. Step 4: Simplify right side
    1,458,051.20x = 2,415,938,177,909.76
  5. Step 5: Solve for x
    x = 2,415,938,177,909.76/1,458,051.20
  6. Step 6: Final answer
    x = 1,656,963.88

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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.