Home / 1,188,187.80-1,782,281.70-558,331.80

Finding the Fourth Proportional to 1,188,187.80, 1,782,281.70 and 558,331.80

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Solution

The fourth proportional to 1,188,187.80, 1,782,281.70 and 558,331.80 is: 837,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,187.80 : 1,782,281.70 = 558,331.80 : x
  2. Step 2: Convert to fraction form
    1,188,187.80/1,782,281.70 = 558,331.80/x
  3. Step 3: Cross multiply
    1,188,187.80x = 1,782,281.70 × 558,331.80
  4. Step 4: Simplify right side
    1,188,187.80x = 995,104,549,668.06
  5. Step 5: Solve for x
    x = 995,104,549,668.06/1,188,187.80
  6. Step 6: Final answer
    x = 837,497.70

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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.