Home / 1,418,411.20-2,127,616.80-708,548.80

Finding the Fourth Proportional to 1,418,411.20, 2,127,616.80 and 708,548.80

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Solution

The fourth proportional to 1,418,411.20, 2,127,616.80 and 708,548.80 is: 1,062,823.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,411.20 : 2,127,616.80 = 708,548.80 : x
  2. Step 2: Convert to fraction form
    1,418,411.20/2,127,616.80 = 708,548.80/x
  3. Step 3: Cross multiply
    1,418,411.20x = 2,127,616.80 × 708,548.80
  4. Step 4: Simplify right side
    1,418,411.20x = 1,507,520,330,499.84
  5. Step 5: Solve for x
    x = 1,507,520,330,499.84/1,418,411.20
  6. Step 6: Final answer
    x = 1,062,823.20

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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.