Home / 1,187,410.80-1,781,116.20-832,825.20

Finding the Fourth Proportional to 1,187,410.80, 1,781,116.20 and 832,825.20

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Solution

The fourth proportional to 1,187,410.80, 1,781,116.20 and 832,825.20 is: 1,249,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,410.80 : 1,781,116.20 = 832,825.20 : x
  2. Step 2: Convert to fraction form
    1,187,410.80/1,781,116.20 = 832,825.20/x
  3. Step 3: Cross multiply
    1,187,410.80x = 1,781,116.20 × 832,825.20
  4. Step 4: Simplify right side
    1,187,410.80x = 1,483,358,455,488.24
  5. Step 5: Solve for x
    x = 1,483,358,455,488.24/1,187,410.80
  6. Step 6: Final answer
    x = 1,249,237.80

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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.