Home / 1,201,991.60-1,658,697.06-658,117.52

Finding the Fourth Proportional to 1,201,991.60, 1,658,697.06 and 658,117.52

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Solution

The fourth proportional to 1,201,991.60, 1,658,697.06 and 658,117.52 is: 908,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,991.60 : 1,658,697.06 = 658,117.52 : x
  2. Step 2: Convert to fraction form
    1,201,991.60/1,658,697.06 = 658,117.52/x
  3. Step 3: Cross multiply
    1,201,991.60x = 1,658,697.06 × 658,117.52
  4. Step 4: Simplify right side
    1,201,991.60x = 1,091,617,595,558.49
  5. Step 5: Solve for x
    x = 1,091,617,595,558.49/1,201,991.60
  6. Step 6: Final answer
    x = 908,174.06

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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.