Home / 1,142,603.54-1,714,129.49-422,951.53

Finding the Fourth Proportional to 1,142,603.54, 1,714,129.49 and 422,951.53

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Solution

The fourth proportional to 1,142,603.54, 1,714,129.49 and 422,951.53 is: 634,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,603.54 : 1,714,129.49 = 422,951.53 : x
  2. Step 2: Convert to fraction form
    1,142,603.54/1,714,129.49 = 422,951.53/x
  3. Step 3: Cross multiply
    1,142,603.54x = 1,714,129.49 × 422,951.53
  4. Step 4: Simplify right side
    1,142,603.54x = 724,993,690,413.62
  5. Step 5: Solve for x
    x = 724,993,690,413.62/1,142,603.54
  6. Step 6: Final answer
    x = 634,510.28

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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.