Home / 1,313,340.45-1,970,069.96-402,457.38

Finding the Fourth Proportional to 1,313,340.45, 1,970,069.96 and 402,457.38

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Solution

The fourth proportional to 1,313,340.45, 1,970,069.96 and 402,457.38 is: 603,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,340.45 : 1,970,069.96 = 402,457.38 : x
  2. Step 2: Convert to fraction form
    1,313,340.45/1,970,069.96 = 402,457.38/x
  3. Step 3: Cross multiply
    1,313,340.45x = 1,970,069.96 × 402,457.38
  4. Step 4: Simplify right side
    1,313,340.45x = 792,869,194,518.31
  5. Step 5: Solve for x
    x = 792,869,194,518.31/1,313,340.45
  6. Step 6: Final answer
    x = 603,704.24

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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.