Home / 1,021,187.33-1,531,071.61-452,258.39

Finding the Fourth Proportional to 1,021,187.33, 1,531,071.61 and 452,258.39

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Solution

The fourth proportional to 1,021,187.33, 1,531,071.61 and 452,258.39 is: 678,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,187.33 : 1,531,071.61 = 452,258.39 : x
  2. Step 2: Convert to fraction form
    1,021,187.33/1,531,071.61 = 452,258.39/x
  3. Step 3: Cross multiply
    1,021,187.33x = 1,531,071.61 × 452,258.39
  4. Step 4: Simplify right side
    1,021,187.33x = 692,439,972,527.30
  5. Step 5: Solve for x
    x = 692,439,972,527.30/1,021,187.33
  6. Step 6: Final answer
    x = 678,073.41

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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.