Home / 1,072,034.60-1,480,100.09-664,571.89

Finding the Fourth Proportional to 1,072,034.60, 1,480,100.09 and 664,571.89

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Solution

The fourth proportional to 1,072,034.60, 1,480,100.09 and 664,571.89 is: 917,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,034.60 : 1,480,100.09 = 664,571.89 : x
  2. Step 2: Convert to fraction form
    1,072,034.60/1,480,100.09 = 664,571.89/x
  3. Step 3: Cross multiply
    1,072,034.60x = 1,480,100.09 × 664,571.89
  4. Step 4: Simplify right side
    1,072,034.60x = 983,632,916,465.95
  5. Step 5: Solve for x
    x = 983,632,916,465.95/1,072,034.60
  6. Step 6: Final answer
    x = 917,538.41

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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.