Home / 1,121,413.08-1,547,556.78-612,104.52

Finding the Fourth Proportional to 1,121,413.08, 1,547,556.78 and 612,104.52

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Solution

The fourth proportional to 1,121,413.08, 1,547,556.78 and 612,104.52 is: 844,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,413.08 : 1,547,556.78 = 612,104.52 : x
  2. Step 2: Convert to fraction form
    1,121,413.08/1,547,556.78 = 612,104.52/x
  3. Step 3: Cross multiply
    1,121,413.08x = 1,547,556.78 × 612,104.52
  4. Step 4: Simplify right side
    1,121,413.08x = 947,266,499,994.65
  5. Step 5: Solve for x
    x = 947,266,499,994.65/1,121,413.08
  6. Step 6: Final answer
    x = 844,707.91

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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.