Home / 912,942.20-1,369,413.30-889,614.20

Finding the Fourth Proportional to 912,942.20, 1,369,413.30 and 889,614.20

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Solution

The fourth proportional to 912,942.20, 1,369,413.30 and 889,614.20 is: 1,334,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,942.20 : 1,369,413.30 = 889,614.20 : x
  2. Step 2: Convert to fraction form
    912,942.20/1,369,413.30 = 889,614.20/x
  3. Step 3: Cross multiply
    912,942.20x = 1,369,413.30 × 889,614.20
  4. Step 4: Simplify right side
    912,942.20x = 1,218,249,517,348.86
  5. Step 5: Solve for x
    x = 1,218,249,517,348.86/912,942.20
  6. Step 6: Final answer
    x = 1,334,421.30

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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.