Home / 1,212,359.43-1,673,023.77-668,486.01

Finding the Fourth Proportional to 1,212,359.43, 1,673,023.77 and 668,486.01

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Solution

The fourth proportional to 1,212,359.43, 1,673,023.77 and 668,486.01 is: 922,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,359.43 : 1,673,023.77 = 668,486.01 : x
  2. Step 2: Convert to fraction form
    1,212,359.43/1,673,023.77 = 668,486.01/x
  3. Step 3: Cross multiply
    1,212,359.43x = 1,673,023.77 × 668,486.01
  4. Step 4: Simplify right side
    1,212,359.43x = 1,118,392,984,642.46
  5. Step 5: Solve for x
    x = 1,118,392,984,642.46/1,212,359.43
  6. Step 6: Final answer
    x = 922,492.92

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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.