Home / 1,077,379.08-1,486,783.20-618,523.39

Finding the Fourth Proportional to 1,077,379.08, 1,486,783.20 and 618,523.39

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Solution

The fourth proportional to 1,077,379.08, 1,486,783.20 and 618,523.39 is: 853,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,379.08 : 1,486,783.20 = 618,523.39 : x
  2. Step 2: Convert to fraction form
    1,077,379.08/1,486,783.20 = 618,523.39/x
  3. Step 3: Cross multiply
    1,077,379.08x = 1,486,783.20 × 618,523.39
  4. Step 4: Simplify right side
    1,077,379.08x = 919,610,185,757.80
  5. Step 5: Solve for x
    x = 919,610,185,757.80/1,077,379.08
  6. Step 6: Final answer
    x = 853,562.32

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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.