Home / 1,148,053.86-1,721,514.90-389,618.66

Finding the Fourth Proportional to 1,148,053.86, 1,721,514.90 and 389,618.66

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Solution

The fourth proportional to 1,148,053.86, 1,721,514.90 and 389,618.66 is: 584,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,053.86 : 1,721,514.90 = 389,618.66 : x
  2. Step 2: Convert to fraction form
    1,148,053.86/1,721,514.90 = 389,618.66/x
  3. Step 3: Cross multiply
    1,148,053.86x = 1,721,514.90 × 389,618.66
  4. Step 4: Simplify right side
    1,148,053.86x = 670,734,328,508.03
  5. Step 5: Solve for x
    x = 670,734,328,508.03/1,148,053.86
  6. Step 6: Final answer
    x = 584,235.94

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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.