Home / 1,506,666.47-2,079,214.82-818,351.78

Finding the Fourth Proportional to 1,506,666.47, 2,079,214.82 and 818,351.78

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Solution

The fourth proportional to 1,506,666.47, 2,079,214.82 and 818,351.78 is: 1,129,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,666.47 : 2,079,214.82 = 818,351.78 : x
  2. Step 2: Convert to fraction form
    1,506,666.47/2,079,214.82 = 818,351.78/x
  3. Step 3: Cross multiply
    1,506,666.47x = 2,079,214.82 × 818,351.78
  4. Step 4: Simplify right side
    1,506,666.47x = 1,701,529,137,530.37
  5. Step 5: Solve for x
    x = 1,701,529,137,530.37/1,506,666.47
  6. Step 6: Final answer
    x = 1,129,333.65

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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.