Home / 1,300,122.99-1,794,263.67-727,347.69

Finding the Fourth Proportional to 1,300,122.99, 1,794,263.67 and 727,347.69

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Solution

The fourth proportional to 1,300,122.99, 1,794,263.67 and 727,347.69 is: 1,003,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,122.99 : 1,794,263.67 = 727,347.69 : x
  2. Step 2: Convert to fraction form
    1,300,122.99/1,794,263.67 = 727,347.69/x
  3. Step 3: Cross multiply
    1,300,122.99x = 1,794,263.67 × 727,347.69
  4. Step 4: Simplify right side
    1,300,122.99x = 1,305,053,535,625.42
  5. Step 5: Solve for x
    x = 1,305,053,535,625.42/1,300,122.99
  6. Step 6: Final answer
    x = 1,003,792.37

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Double scale
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1.5x scale

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.