Home / 1,300,409.32-1,794,713.70-727,594.60

Finding the Fourth Proportional to 1,300,409.32, 1,794,713.70 and 727,594.60

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Solution

The fourth proportional to 1,300,409.32, 1,794,713.70 and 727,594.60 is: 1,004,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,409.32 : 1,794,713.70 = 727,594.60 : x
  2. Step 2: Convert to fraction form
    1,300,409.32/1,794,713.70 = 727,594.60/x
  3. Step 3: Cross multiply
    1,300,409.32x = 1,794,713.70 × 727,594.60
  4. Step 4: Simplify right side
    1,300,409.32x = 1,305,823,996,666.02
  5. Step 5: Solve for x
    x = 1,305,823,996,666.02/1,300,409.32
  6. Step 6: Final answer
    x = 1,004,163.82

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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.