Home / 1,314,450.40-1,972,550.40-745,830.40

Finding the Fourth Proportional to 1,314,450.40, 1,972,550.40 and 745,830.40

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Solution

The fourth proportional to 1,314,450.40, 1,972,550.40 and 745,830.40 is: 1,119,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,450.40 : 1,972,550.40 = 745,830.40 : x
  2. Step 2: Convert to fraction form
    1,314,450.40/1,972,550.40 = 745,830.40/x
  3. Step 3: Cross multiply
    1,314,450.40x = 1,972,550.40 × 745,830.40
  4. Step 4: Simplify right side
    1,314,450.40x = 1,471,188,053,852.16
  5. Step 5: Solve for x
    x = 1,471,188,053,852.16/1,314,450.40
  6. Step 6: Final answer
    x = 1,119,241.97

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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.