Home / 1,100,465.06-1,518,657.30-664,821.84

Finding the Fourth Proportional to 1,100,465.06, 1,518,657.30 and 664,821.84

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Solution

The fourth proportional to 1,100,465.06, 1,518,657.30 and 664,821.84 is: 917,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,465.06 : 1,518,657.30 = 664,821.84 : x
  2. Step 2: Convert to fraction form
    1,100,465.06/1,518,657.30 = 664,821.84/x
  3. Step 3: Cross multiply
    1,100,465.06x = 1,518,657.30 × 664,821.84
  4. Step 4: Simplify right side
    1,100,465.06x = 1,009,636,540,515.43
  5. Step 5: Solve for x
    x = 1,009,636,540,515.43/1,100,465.06
  6. Step 6: Final answer
    x = 917,463.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.