Home / 1,329,945.60-1,993,622.40-760,742.40

Finding the Fourth Proportional to 1,329,945.60, 1,993,622.40 and 760,742.40

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Solution

The fourth proportional to 1,329,945.60, 1,993,622.40 and 760,742.40 is: 1,140,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,945.60 : 1,993,622.40 = 760,742.40 : x
  2. Step 2: Convert to fraction form
    1,329,945.60/1,993,622.40 = 760,742.40/x
  3. Step 3: Cross multiply
    1,329,945.60x = 1,993,622.40 × 760,742.40
  4. Step 4: Simplify right side
    1,329,945.60x = 1,516,633,089,269.76
  5. Step 5: Solve for x
    x = 1,516,633,089,269.76/1,329,945.60
  6. Step 6: Final answer
    x = 1,140,372.27

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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.