Home / 1,518,803.80-2,278,205.70-808,466.20

Finding the Fourth Proportional to 1,518,803.80, 2,278,205.70 and 808,466.20

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Solution

The fourth proportional to 1,518,803.80, 2,278,205.70 and 808,466.20 is: 1,212,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,803.80 : 2,278,205.70 = 808,466.20 : x
  2. Step 2: Convert to fraction form
    1,518,803.80/2,278,205.70 = 808,466.20/x
  3. Step 3: Cross multiply
    1,518,803.80x = 2,278,205.70 × 808,466.20
  4. Step 4: Simplify right side
    1,518,803.80x = 1,841,852,305,097.34
  5. Step 5: Solve for x
    x = 1,841,852,305,097.34/1,518,803.80
  6. Step 6: Final answer
    x = 1,212,699.30

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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.