Home / 1,235,112.86-1,852,409.54-348,441.50

Finding the Fourth Proportional to 1,235,112.86, 1,852,409.54 and 348,441.50

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Solution

The fourth proportional to 1,235,112.86, 1,852,409.54 and 348,441.50 is: 522,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,112.86 : 1,852,409.54 = 348,441.50 : x
  2. Step 2: Convert to fraction form
    1,235,112.86/1,852,409.54 = 348,441.50/x
  3. Step 3: Cross multiply
    1,235,112.86x = 1,852,409.54 × 348,441.50
  4. Step 4: Simplify right side
    1,235,112.86x = 645,456,358,731.91
  5. Step 5: Solve for x
    x = 645,456,358,731.91/1,235,112.86
  6. Step 6: Final answer
    x = 522,588.97

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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.