Home / 1,325,875.46-1,988,813.37-472,912.61

Finding the Fourth Proportional to 1,325,875.46, 1,988,813.37 and 472,912.61

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Solution

The fourth proportional to 1,325,875.46, 1,988,813.37 and 472,912.61 is: 709,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,875.46 : 1,988,813.37 = 472,912.61 : x
  2. Step 2: Convert to fraction form
    1,325,875.46/1,988,813.37 = 472,912.61/x
  3. Step 3: Cross multiply
    1,325,875.46x = 1,988,813.37 × 472,912.61
  4. Step 4: Simplify right side
    1,325,875.46x = 940,534,921,609.60
  5. Step 5: Solve for x
    x = 940,534,921,609.60/1,325,875.46
  6. Step 6: Final answer
    x = 709,368.98

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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.