Home / 1,330,610.08-1,836,242.70-718,762.90

Finding the Fourth Proportional to 1,330,610.08, 1,836,242.70 and 718,762.90

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Solution

The fourth proportional to 1,330,610.08, 1,836,242.70 and 718,762.90 is: 991,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,610.08 : 1,836,242.70 = 718,762.90 : x
  2. Step 2: Convert to fraction form
    1,330,610.08/1,836,242.70 = 718,762.90/x
  3. Step 3: Cross multiply
    1,330,610.08x = 1,836,242.70 × 718,762.90
  4. Step 4: Simplify right side
    1,330,610.08x = 1,319,823,128,155.83
  5. Step 5: Solve for x
    x = 1,319,823,128,155.83/1,330,610.08
  6. Step 6: Final answer
    x = 991,893.23

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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.