Home / 1,055,021.40-1,580,629.41-649,507.86

Finding the Fourth Proportional to 1,055,021.40, 1,580,629.41 and 649,507.86

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Solution

The fourth proportional to 1,055,021.40, 1,580,629.41 and 649,507.86 is: 973,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,021.40 : 1,580,629.41 = 649,507.86 : x
  2. Step 2: Convert to fraction form
    1,055,021.40/1,580,629.41 = 649,507.86/x
  3. Step 3: Cross multiply
    1,055,021.40x = 1,580,629.41 × 649,507.86
  4. Step 4: Simplify right side
    1,055,021.40x = 1,026,631,225,542.16
  5. Step 5: Solve for x
    x = 1,026,631,225,542.16/1,055,021.40
  6. Step 6: Final answer
    x = 973,090.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.