Home / 1,248,223.96-1,872,413.70-500,172.76

Finding the Fourth Proportional to 1,248,223.96, 1,872,413.70 and 500,172.76

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Solution

The fourth proportional to 1,248,223.96, 1,872,413.70 and 500,172.76 is: 750,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,223.96 : 1,872,413.70 = 500,172.76 : x
  2. Step 2: Convert to fraction form
    1,248,223.96/1,872,413.70 = 500,172.76/x
  3. Step 3: Cross multiply
    1,248,223.96x = 1,872,413.70 × 500,172.76
  4. Step 4: Simplify right side
    1,248,223.96x = 936,530,328,190.81
  5. Step 5: Solve for x
    x = 936,530,328,190.81/1,248,223.96
  6. Step 6: Final answer
    x = 750,290.30

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1.5x scale

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.