Home / 1,307,439.06-1,804,312.16-726,673.77

Finding the Fourth Proportional to 1,307,439.06, 1,804,312.16 and 726,673.77

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Solution

The fourth proportional to 1,307,439.06, 1,804,312.16 and 726,673.77 is: 1,002,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,439.06 : 1,804,312.16 = 726,673.77 : x
  2. Step 2: Convert to fraction form
    1,307,439.06/1,804,312.16 = 726,673.77/x
  3. Step 3: Cross multiply
    1,307,439.06x = 1,804,312.16 × 726,673.77
  4. Step 4: Simplify right side
    1,307,439.06x = 1,311,146,315,930.67
  5. Step 5: Solve for x
    x = 1,311,146,315,930.67/1,307,439.06
  6. Step 6: Final answer
    x = 1,002,835.51

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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.