Home / 1,418,263.06-2,127,378.19-407,409.78

Finding the Fourth Proportional to 1,418,263.06, 2,127,378.19 and 407,409.78

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Solution

The fourth proportional to 1,418,263.06, 2,127,378.19 and 407,409.78 is: 611,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,263.06 : 2,127,378.19 = 407,409.78 : x
  2. Step 2: Convert to fraction form
    1,418,263.06/2,127,378.19 = 407,409.78/x
  3. Step 3: Cross multiply
    1,418,263.06x = 2,127,378.19 × 407,409.78
  4. Step 4: Simplify right side
    1,418,263.06x = 866,714,680,364.70
  5. Step 5: Solve for x
    x = 866,714,680,364.70/1,418,263.06
  6. Step 6: Final answer
    x = 611,109.96

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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.