Home / 1,418,488.50-2,127,575.04-507,634.21

Finding the Fourth Proportional to 1,418,488.50, 2,127,575.04 and 507,634.21

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Solution

The fourth proportional to 1,418,488.50, 2,127,575.04 and 507,634.21 is: 761,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,488.50 : 2,127,575.04 = 507,634.21 : x
  2. Step 2: Convert to fraction form
    1,418,488.50/2,127,575.04 = 507,634.21/x
  3. Step 3: Cross multiply
    1,418,488.50x = 2,127,575.04 × 507,634.21
  4. Step 4: Simplify right side
    1,418,488.50x = 1,080,029,874,646.12
  5. Step 5: Solve for x
    x = 1,080,029,874,646.12/1,418,488.50
  6. Step 6: Final answer
    x = 761,394.88

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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.