Home / 1,314,091.20-1,971,792.90-745,908.60

Finding the Fourth Proportional to 1,314,091.20, 1,971,792.90 and 745,908.60

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Solution

The fourth proportional to 1,314,091.20, 1,971,792.90 and 745,908.60 is: 1,119,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,091.20 : 1,971,792.90 = 745,908.60 : x
  2. Step 2: Convert to fraction form
    1,314,091.20/1,971,792.90 = 745,908.60/x
  3. Step 3: Cross multiply
    1,314,091.20x = 1,971,792.90 × 745,908.60
  4. Step 4: Simplify right side
    1,314,091.20x = 1,470,777,281,528.94
  5. Step 5: Solve for x
    x = 1,470,777,281,528.94/1,314,091.20
  6. Step 6: Final answer
    x = 1,119,235.32

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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.