Home / 1,090,764.93-1,636,894.73-380,792.95

Finding the Fourth Proportional to 1,090,764.93, 1,636,894.73 and 380,792.95

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Solution

The fourth proportional to 1,090,764.93, 1,636,894.73 and 380,792.95 is: 571,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,764.93 : 1,636,894.73 = 380,792.95 : x
  2. Step 2: Convert to fraction form
    1,090,764.93/1,636,894.73 = 380,792.95/x
  3. Step 3: Cross multiply
    1,090,764.93x = 1,636,894.73 × 380,792.95
  4. Step 4: Simplify right side
    1,090,764.93x = 623,317,973,076.15
  5. Step 5: Solve for x
    x = 623,317,973,076.15/1,090,764.93
  6. Step 6: Final answer
    x = 571,450.32

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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.