Home / 1,429,331.69-1,972,481.58-784,793.63

Finding the Fourth Proportional to 1,429,331.69, 1,972,481.58 and 784,793.63

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Solution

The fourth proportional to 1,429,331.69, 1,972,481.58 and 784,793.63 is: 1,083,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,331.69 : 1,972,481.58 = 784,793.63 : x
  2. Step 2: Convert to fraction form
    1,429,331.69/1,972,481.58 = 784,793.63/x
  3. Step 3: Cross multiply
    1,429,331.69x = 1,972,481.58 × 784,793.63
  4. Step 4: Simplify right side
    1,429,331.69x = 1,547,990,969,413.93
  5. Step 5: Solve for x
    x = 1,547,990,969,413.93/1,429,331.69
  6. Step 6: Final answer
    x = 1,083,017.32

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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.