Home / 1,332,503.60-1,998,895.49-434,015.36

Finding the Fourth Proportional to 1,332,503.60, 1,998,895.49 and 434,015.36

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Solution

The fourth proportional to 1,332,503.60, 1,998,895.49 and 434,015.36 is: 651,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,503.60 : 1,998,895.49 = 434,015.36 : x
  2. Step 2: Convert to fraction form
    1,332,503.60/1,998,895.49 = 434,015.36/x
  3. Step 3: Cross multiply
    1,332,503.60x = 1,998,895.49 × 434,015.36
  4. Step 4: Simplify right side
    1,332,503.60x = 867,551,345,694.73
  5. Step 5: Solve for x
    x = 867,551,345,694.73/1,332,503.60
  6. Step 6: Final answer
    x = 651,068.67

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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.