Home / 1,128,246.78-1,688,098.23-696,066.42

Finding the Fourth Proportional to 1,128,246.78, 1,688,098.23 and 696,066.42

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Solution

The fourth proportional to 1,128,246.78, 1,688,098.23 and 696,066.42 is: 1,041,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,246.78 : 1,688,098.23 = 696,066.42 : x
  2. Step 2: Convert to fraction form
    1,128,246.78/1,688,098.23 = 696,066.42/x
  3. Step 3: Cross multiply
    1,128,246.78x = 1,688,098.23 × 696,066.42
  4. Step 4: Simplify right side
    1,128,246.78x = 1,175,028,491,564.44
  5. Step 5: Solve for x
    x = 1,175,028,491,564.44/1,128,246.78
  6. Step 6: Final answer
    x = 1,041,464.08

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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.