Home / 1,330,990.16-1,836,762.36-727,378.16

Finding the Fourth Proportional to 1,330,990.16, 1,836,762.36 and 727,378.16

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Solution

The fourth proportional to 1,330,990.16, 1,836,762.36 and 727,378.16 is: 1,003,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,990.16 : 1,836,762.36 = 727,378.16 : x
  2. Step 2: Convert to fraction form
    1,330,990.16/1,836,762.36 = 727,378.16/x
  3. Step 3: Cross multiply
    1,330,990.16x = 1,836,762.36 × 727,378.16
  4. Step 4: Simplify right side
    1,330,990.16x = 1,336,020,825,774.06
  5. Step 5: Solve for x
    x = 1,336,020,825,774.06/1,330,990.16
  6. Step 6: Final answer
    x = 1,003,779.64

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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.