Home / 908,907.40-1,362,486.30-706,391.20

Finding the Fourth Proportional to 908,907.40, 1,362,486.30 and 706,391.20

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Solution

The fourth proportional to 908,907.40, 1,362,486.30 and 706,391.20 is: 1,058,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,907.40 : 1,362,486.30 = 706,391.20 : x
  2. Step 2: Convert to fraction form
    908,907.40/1,362,486.30 = 706,391.20/x
  3. Step 3: Cross multiply
    908,907.40x = 1,362,486.30 × 706,391.20
  4. Step 4: Simplify right side
    908,907.40x = 962,448,332,440.56
  5. Step 5: Solve for x
    x = 962,448,332,440.56/908,907.40
  6. Step 6: Final answer
    x = 1,058,906.92

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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.