Home / 1,549,295.69-2,137,891.73-860,923.80

Finding the Fourth Proportional to 1,549,295.69, 2,137,891.73 and 860,923.80

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Solution

The fourth proportional to 1,549,295.69, 2,137,891.73 and 860,923.80 is: 1,187,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,295.69 : 2,137,891.73 = 860,923.80 : x
  2. Step 2: Convert to fraction form
    1,549,295.69/2,137,891.73 = 860,923.80/x
  3. Step 3: Cross multiply
    1,549,295.69x = 2,137,891.73 × 860,923.80
  4. Step 4: Simplify right side
    1,549,295.69x = 1,840,561,867,875.56
  5. Step 5: Solve for x
    x = 1,840,561,867,875.56/1,549,295.69
  6. Step 6: Final answer
    x = 1,187,999.09

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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.