Home / 1,612,646.64-2,420,464.63-814,488.69

Finding the Fourth Proportional to 1,612,646.64, 2,420,464.63 and 814,488.69

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Solution

The fourth proportional to 1,612,646.64, 2,420,464.63 and 814,488.69 is: 1,222,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,646.64 : 2,420,464.63 = 814,488.69 : x
  2. Step 2: Convert to fraction form
    1,612,646.64/2,420,464.63 = 814,488.69/x
  3. Step 3: Cross multiply
    1,612,646.64x = 2,420,464.63 × 814,488.69
  4. Step 4: Simplify right side
    1,612,646.64x = 1,971,441,065,680.03
  5. Step 5: Solve for x
    x = 1,971,441,065,680.03/1,612,646.64
  6. Step 6: Final answer
    x = 1,222,487.94

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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.