Home / 1,090,584-1,636,025.04-380,507.76

Finding the Fourth Proportional to 1,090,584, 1,636,025.04 and 380,507.76

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Solution

The fourth proportional to 1,090,584, 1,636,025.04 and 380,507.76 is: 570,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,584 : 1,636,025.04 = 380,507.76 : x
  2. Step 2: Convert to fraction form
    1,090,584/1,636,025.04 = 380,507.76/x
  3. Step 3: Cross multiply
    1,090,584x = 1,636,025.04 × 380,507.76
  4. Step 4: Simplify right side
    1,090,584x = 622,520,223,274.31
  5. Step 5: Solve for x
    x = 622,520,223,274.31/1,090,584
  6. Step 6: Final answer
    x = 570,813.64

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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.