Home / 1,189,890.88-1,641,574.56-760,059.52

Finding the Fourth Proportional to 1,189,890.88, 1,641,574.56 and 760,059.52

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Solution

The fourth proportional to 1,189,890.88, 1,641,574.56 and 760,059.52 is: 1,048,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,890.88 : 1,641,574.56 = 760,059.52 : x
  2. Step 2: Convert to fraction form
    1,189,890.88/1,641,574.56 = 760,059.52/x
  3. Step 3: Cross multiply
    1,189,890.88x = 1,641,574.56 × 760,059.52
  4. Step 4: Simplify right side
    1,189,890.88x = 1,247,694,372,117.81
  5. Step 5: Solve for x
    x = 1,247,694,372,117.81/1,189,890.88
  6. Step 6: Final answer
    x = 1,048,578.82

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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.