Home / 1,355,237.86-2,032,638.67-395,468.13

Finding the Fourth Proportional to 1,355,237.86, 2,032,638.67 and 395,468.13

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Solution

The fourth proportional to 1,355,237.86, 2,032,638.67 and 395,468.13 is: 593,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,237.86 : 2,032,638.67 = 395,468.13 : x
  2. Step 2: Convert to fraction form
    1,355,237.86/2,032,638.67 = 395,468.13/x
  3. Step 3: Cross multiply
    1,355,237.86x = 2,032,638.67 × 395,468.13
  4. Step 4: Simplify right side
    1,355,237.86x = 803,843,813,790.59
  5. Step 5: Solve for x
    x = 803,843,813,790.59/1,355,237.86
  6. Step 6: Final answer
    x = 593,138.55

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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.