Home / 1,264,870.12-1,894,265.06-723,485.12

Finding the Fourth Proportional to 1,264,870.12, 1,894,265.06 and 723,485.12

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Solution

The fourth proportional to 1,264,870.12, 1,894,265.06 and 723,485.12 is: 1,083,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,870.12 : 1,894,265.06 = 723,485.12 : x
  2. Step 2: Convert to fraction form
    1,264,870.12/1,894,265.06 = 723,485.12/x
  3. Step 3: Cross multiply
    1,264,870.12x = 1,894,265.06 × 723,485.12
  4. Step 4: Simplify right side
    1,264,870.12x = 1,370,472,584,245.91
  5. Step 5: Solve for x
    x = 1,370,472,584,245.91/1,264,870.12
  6. Step 6: Final answer
    x = 1,083,488.78

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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.