Home / 1,148,456.76-1,722,942.32-349,800.81

Finding the Fourth Proportional to 1,148,456.76, 1,722,942.32 and 349,800.81

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Solution

The fourth proportional to 1,148,456.76, 1,722,942.32 and 349,800.81 is: 524,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,456.76 : 1,722,942.32 = 349,800.81 : x
  2. Step 2: Convert to fraction form
    1,148,456.76/1,722,942.32 = 349,800.81/x
  3. Step 3: Cross multiply
    1,148,456.76x = 1,722,942.32 × 349,800.81
  4. Step 4: Simplify right side
    1,148,456.76x = 602,686,617,370.28
  5. Step 5: Solve for x
    x = 602,686,617,370.28/1,148,456.76
  6. Step 6: Final answer
    x = 524,779.55

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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.