Home / 1,197,643.08-1,653,025.32-789,818.52

Finding the Fourth Proportional to 1,197,643.08, 1,653,025.32 and 789,818.52

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Solution

The fourth proportional to 1,197,643.08, 1,653,025.32 and 789,818.52 is: 1,090,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,643.08 : 1,653,025.32 = 789,818.52 : x
  2. Step 2: Convert to fraction form
    1,197,643.08/1,653,025.32 = 789,818.52/x
  3. Step 3: Cross multiply
    1,197,643.08x = 1,653,025.32 × 789,818.52
  4. Step 4: Simplify right side
    1,197,643.08x = 1,305,590,011,764.93
  5. Step 5: Solve for x
    x = 1,305,590,011,764.93/1,197,643.08
  6. Step 6: Final answer
    x = 1,090,132.81

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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.