Home / 1,515,880.66-2,091,860.49-836,802.58

Finding the Fourth Proportional to 1,515,880.66, 2,091,860.49 and 836,802.58

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Solution

The fourth proportional to 1,515,880.66, 2,091,860.49 and 836,802.58 is: 1,154,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,880.66 : 2,091,860.49 = 836,802.58 : x
  2. Step 2: Convert to fraction form
    1,515,880.66/2,091,860.49 = 836,802.58/x
  3. Step 3: Cross multiply
    1,515,880.66x = 2,091,860.49 × 836,802.58
  4. Step 4: Simplify right side
    1,515,880.66x = 1,750,474,255,032.06
  5. Step 5: Solve for x
    x = 1,750,474,255,032.06/1,515,880.66
  6. Step 6: Final answer
    x = 1,154,757.30

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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.