Home / 1,224,730.13-1,690,185.22-680,875.00

Finding the Fourth Proportional to 1,224,730.13, 1,690,185.22 and 680,875.00

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Solution

The fourth proportional to 1,224,730.13, 1,690,185.22 and 680,875.00 is: 939,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,730.13 : 1,690,185.22 = 680,875.00 : x
  2. Step 2: Convert to fraction form
    1,224,730.13/1,690,185.22 = 680,875.00/x
  3. Step 3: Cross multiply
    1,224,730.13x = 1,690,185.22 × 680,875.00
  4. Step 4: Simplify right side
    1,224,730.13x = 1,150,804,855,739.85
  5. Step 5: Solve for x
    x = 1,150,804,855,739.85/1,224,730.13
  6. Step 6: Final answer
    x = 939,639.54

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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.