Home / 1,418,100.71-2,126,827.10-407,214.64

Finding the Fourth Proportional to 1,418,100.71, 2,126,827.10 and 407,214.64

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Solution

The fourth proportional to 1,418,100.71, 2,126,827.10 and 407,214.64 is: 610,728.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,100.71 : 2,126,827.10 = 407,214.64 : x
  2. Step 2: Convert to fraction form
    1,418,100.71/2,126,827.10 = 407,214.64/x
  3. Step 3: Cross multiply
    1,418,100.71x = 2,126,827.10 × 407,214.64
  4. Step 4: Simplify right side
    1,418,100.71x = 866,075,121,234.61
  5. Step 5: Solve for x
    x = 866,075,121,234.61/1,418,100.71
  6. Step 6: Final answer
    x = 610,728.92

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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.