Home / 1,027,413.12-1,540,854.72-307,612.80

Finding the Fourth Proportional to 1,027,413.12, 1,540,854.72 and 307,612.80

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Solution

The fourth proportional to 1,027,413.12, 1,540,854.72 and 307,612.80 is: 461,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,413.12 : 1,540,854.72 = 307,612.80 : x
  2. Step 2: Convert to fraction form
    1,027,413.12/1,540,854.72 = 307,612.80/x
  3. Step 3: Cross multiply
    1,027,413.12x = 1,540,854.72 × 307,612.80
  4. Step 4: Simplify right side
    1,027,413.12x = 473,986,634,812.42
  5. Step 5: Solve for x
    x = 473,986,634,812.42/1,027,413.12
  6. Step 6: Final answer
    x = 461,339.87

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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.