Home / 1,257,267.06-1,735,028.73-684,311.40

Finding the Fourth Proportional to 1,257,267.06, 1,735,028.73 and 684,311.40

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Solution

The fourth proportional to 1,257,267.06, 1,735,028.73 and 684,311.40 is: 944,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,267.06 : 1,735,028.73 = 684,311.40 : x
  2. Step 2: Convert to fraction form
    1,257,267.06/1,735,028.73 = 684,311.40/x
  3. Step 3: Cross multiply
    1,257,267.06x = 1,735,028.73 × 684,311.40
  4. Step 4: Simplify right side
    1,257,267.06x = 1,187,299,939,266.52
  5. Step 5: Solve for x
    x = 1,187,299,939,266.52/1,257,267.06
  6. Step 6: Final answer
    x = 944,349.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.