Home / 1,313,407.12-1,970,222.44-414,608.40

Finding the Fourth Proportional to 1,313,407.12, 1,970,222.44 and 414,608.40

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Solution

The fourth proportional to 1,313,407.12, 1,970,222.44 and 414,608.40 is: 621,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,407.12 : 1,970,222.44 = 414,608.40 : x
  2. Step 2: Convert to fraction form
    1,313,407.12/1,970,222.44 = 414,608.40/x
  3. Step 3: Cross multiply
    1,313,407.12x = 1,970,222.44 × 414,608.40
  4. Step 4: Simplify right side
    1,313,407.12x = 816,870,773,492.50
  5. Step 5: Solve for x
    x = 816,870,773,492.50/1,313,407.12
  6. Step 6: Final answer
    x = 621,947.88

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1.5x scale

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.