Home / 1,208,652.37-1,667,941.12-664,829.53

Finding the Fourth Proportional to 1,208,652.37, 1,667,941.12 and 664,829.53

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Solution

The fourth proportional to 1,208,652.37, 1,667,941.12 and 664,829.53 is: 917,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,652.37 : 1,667,941.12 = 664,829.53 : x
  2. Step 2: Convert to fraction form
    1,208,652.37/1,667,941.12 = 664,829.53/x
  3. Step 3: Cross multiply
    1,208,652.37x = 1,667,941.12 × 664,829.53
  4. Step 4: Simplify right side
    1,208,652.37x = 1,108,896,510,877.27
  5. Step 5: Solve for x
    x = 1,108,896,510,877.27/1,208,652.37
  6. Step 6: Final answer
    x = 917,465.22

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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.