Home / 1,124,913.42-1,552,379.52-634,986.09

Finding the Fourth Proportional to 1,124,913.42, 1,552,379.52 and 634,986.09

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Solution

The fourth proportional to 1,124,913.42, 1,552,379.52 and 634,986.09 is: 876,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,913.42 : 1,552,379.52 = 634,986.09 : x
  2. Step 2: Convert to fraction form
    1,124,913.42/1,552,379.52 = 634,986.09/x
  3. Step 3: Cross multiply
    1,124,913.42x = 1,552,379.52 × 634,986.09
  4. Step 4: Simplify right side
    1,124,913.42x = 985,739,401,600.88
  5. Step 5: Solve for x
    x = 985,739,401,600.88/1,124,913.42
  6. Step 6: Final answer
    x = 876,280.24

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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.