Home / 1,148,736.86-1,722,034.86-390,059.57

Finding the Fourth Proportional to 1,148,736.86, 1,722,034.86 and 390,059.57

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Solution

The fourth proportional to 1,148,736.86, 1,722,034.86 and 390,059.57 is: 584,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,736.86 : 1,722,034.86 = 390,059.57 : x
  2. Step 2: Convert to fraction form
    1,148,736.86/1,722,034.86 = 390,059.57/x
  3. Step 3: Cross multiply
    1,148,736.86x = 1,722,034.86 × 390,059.57
  4. Step 4: Simplify right side
    1,148,736.86x = 671,696,181,321.70
  5. Step 5: Solve for x
    x = 671,696,181,321.70/1,148,736.86
  6. Step 6: Final answer
    x = 584,725.89

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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.