Home / 1,330,721.13-1,834,483.11-948,083.61

Finding the Fourth Proportional to 1,330,721.13, 1,834,483.11 and 948,083.61

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Solution

The fourth proportional to 1,330,721.13, 1,834,483.11 and 948,083.61 is: 1,306,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,721.13 : 1,834,483.11 = 948,083.61 : x
  2. Step 2: Convert to fraction form
    1,330,721.13/1,834,483.11 = 948,083.61/x
  3. Step 3: Cross multiply
    1,330,721.13x = 1,834,483.11 × 948,083.61
  4. Step 4: Simplify right side
    1,330,721.13x = 1,739,243,369,412.83
  5. Step 5: Solve for x
    x = 1,739,243,369,412.83/1,330,721.13
  6. Step 6: Final answer
    x = 1,306,993.13

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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.