Home / 1,090,947.60-1,636,678.96-342,993.60

Finding the Fourth Proportional to 1,090,947.60, 1,636,678.96 and 342,993.60

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Solution

The fourth proportional to 1,090,947.60, 1,636,678.96 and 342,993.60 is: 514,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,947.60 : 1,636,678.96 = 342,993.60 : x
  2. Step 2: Convert to fraction form
    1,090,947.60/1,636,678.96 = 342,993.60/x
  3. Step 3: Cross multiply
    1,090,947.60x = 1,636,678.96 × 342,993.60
  4. Step 4: Simplify right side
    1,090,947.60x = 561,370,408,534.66
  5. Step 5: Solve for x
    x = 561,370,408,534.66/1,090,947.60
  6. Step 6: Final answer
    x = 514,571.38

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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.