Home / 940,413.71-1,298,168.16-634,903.89

Finding the Fourth Proportional to 940,413.71, 1,298,168.16 and 634,903.89

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Solution

The fourth proportional to 940,413.71, 1,298,168.16 and 634,903.89 is: 876,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,413.71 : 1,298,168.16 = 634,903.89 : x
  2. Step 2: Convert to fraction form
    940,413.71/1,298,168.16 = 634,903.89/x
  3. Step 3: Cross multiply
    940,413.71x = 1,298,168.16 × 634,903.89
  4. Step 4: Simplify right side
    940,413.71x = 824,212,014,658.14
  5. Step 5: Solve for x
    x = 824,212,014,658.14/940,413.71
  6. Step 6: Final answer
    x = 876,435.56

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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.