Home / 1,270,573.30-1,906,603.53-472,405.78

Finding the Fourth Proportional to 1,270,573.30, 1,906,603.53 and 472,405.78

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Solution

The fourth proportional to 1,270,573.30, 1,906,603.53 and 472,405.78 is: 708,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,573.30 : 1,906,603.53 = 472,405.78 : x
  2. Step 2: Convert to fraction form
    1,270,573.30/1,906,603.53 = 472,405.78/x
  3. Step 3: Cross multiply
    1,270,573.30x = 1,906,603.53 × 472,405.78
  4. Step 4: Simplify right side
    1,270,573.30x = 900,690,527,740.40
  5. Step 5: Solve for x
    x = 900,690,527,740.40/1,270,573.30
  6. Step 6: Final answer
    x = 708,885.14

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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.