Home / 1,187,995.80-1,781,993.70-558,139.80

Finding the Fourth Proportional to 1,187,995.80, 1,781,993.70 and 558,139.80

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Solution

The fourth proportional to 1,187,995.80, 1,781,993.70 and 558,139.80 is: 837,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,995.80 : 1,781,993.70 = 558,139.80 : x
  2. Step 2: Convert to fraction form
    1,187,995.80/1,781,993.70 = 558,139.80/x
  3. Step 3: Cross multiply
    1,187,995.80x = 1,781,993.70 × 558,139.80
  4. Step 4: Simplify right side
    1,187,995.80x = 994,601,607,319.26
  5. Step 5: Solve for x
    x = 994,601,607,319.26/1,187,995.80
  6. Step 6: Final answer
    x = 837,209.70

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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.