Home / 1,506,783.12-2,079,383.09-818,468.42

Finding the Fourth Proportional to 1,506,783.12, 2,079,383.09 and 818,468.42

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Solution

The fourth proportional to 1,506,783.12, 2,079,383.09 and 818,468.42 is: 1,129,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,783.12 : 2,079,383.09 = 818,468.42 : x
  2. Step 2: Convert to fraction form
    1,506,783.12/2,079,383.09 = 818,468.42/x
  3. Step 3: Cross multiply
    1,506,783.12x = 2,079,383.09 × 818,468.42
  4. Step 4: Simplify right side
    1,506,783.12x = 1,701,909,377,757.76
  5. Step 5: Solve for x
    x = 1,701,909,377,757.76/1,506,783.12
  6. Step 6: Final answer
    x = 1,129,498.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.