Home / 1,020,162.92-1,405,592.34-675,413.96

Finding the Fourth Proportional to 1,020,162.92, 1,405,592.34 and 675,413.96

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Solution

The fourth proportional to 1,020,162.92, 1,405,592.34 and 675,413.96 is: 930,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,162.92 : 1,405,592.34 = 675,413.96 : x
  2. Step 2: Convert to fraction form
    1,020,162.92/1,405,592.34 = 675,413.96/x
  3. Step 3: Cross multiply
    1,020,162.92x = 1,405,592.34 × 675,413.96
  4. Step 4: Simplify right side
    1,020,162.92x = 949,356,688,505.07
  5. Step 5: Solve for x
    x = 949,356,688,505.07/1,020,162.92
  6. Step 6: Final answer
    x = 930,593.21

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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.