Home / 1,418,823.40-2,129,271.90-998,919.40

Finding the Fourth Proportional to 1,418,823.40, 2,129,271.90 and 998,919.40

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Solution

The fourth proportional to 1,418,823.40, 2,129,271.90 and 998,919.40 is: 1,499,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,823.40 : 2,129,271.90 = 998,919.40 : x
  2. Step 2: Convert to fraction form
    1,418,823.40/2,129,271.90 = 998,919.40/x
  3. Step 3: Cross multiply
    1,418,823.40x = 2,129,271.90 × 998,919.40
  4. Step 4: Simplify right side
    1,418,823.40x = 2,126,971,008,784.86
  5. Step 5: Solve for x
    x = 2,126,971,008,784.86/1,418,823.40
  6. Step 6: Final answer
    x = 1,499,109.06

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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.