Home / 912,960.20-1,369,440.30-889,632.20

Finding the Fourth Proportional to 912,960.20, 1,369,440.30 and 889,632.20

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Solution

The fourth proportional to 912,960.20, 1,369,440.30 and 889,632.20 is: 1,334,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,960.20 : 1,369,440.30 = 889,632.20 : x
  2. Step 2: Convert to fraction form
    912,960.20/1,369,440.30 = 889,632.20/x
  3. Step 3: Cross multiply
    912,960.20x = 1,369,440.30 × 889,632.20
  4. Step 4: Simplify right side
    912,960.20x = 1,218,298,186,857.66
  5. Step 5: Solve for x
    x = 1,218,298,186,857.66/912,960.20
  6. Step 6: Final answer
    x = 1,334,448.30

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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.