Home / 1,100,518.60-1,648,013.10-879,334.60

Finding the Fourth Proportional to 1,100,518.60, 1,648,013.10 and 879,334.60

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Solution

The fourth proportional to 1,100,518.60, 1,648,013.10 and 879,334.60 is: 1,316,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,518.60 : 1,648,013.10 = 879,334.60 : x
  2. Step 2: Convert to fraction form
    1,100,518.60/1,648,013.10 = 879,334.60/x
  3. Step 3: Cross multiply
    1,100,518.60x = 1,648,013.10 × 879,334.60
  4. Step 4: Simplify right side
    1,100,518.60x = 1,449,154,940,083.26
  5. Step 5: Solve for x
    x = 1,449,154,940,083.26/1,100,518.60
  6. Step 6: Final answer
    x = 1,316,792.77

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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.