Home / 1,212,509.08-1,673,252.40-668,667.52

Finding the Fourth Proportional to 1,212,509.08, 1,673,252.40 and 668,667.52

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Solution

The fourth proportional to 1,212,509.08, 1,673,252.40 and 668,667.52 is: 922,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,509.08 : 1,673,252.40 = 668,667.52 : x
  2. Step 2: Convert to fraction form
    1,212,509.08/1,673,252.40 = 668,667.52/x
  3. Step 3: Cross multiply
    1,212,509.08x = 1,673,252.40 × 668,667.52
  4. Step 4: Simplify right side
    1,212,509.08x = 1,118,849,532,642.05
  5. Step 5: Solve for x
    x = 1,118,849,532,642.05/1,212,509.08
  6. Step 6: Final answer
    x = 922,755.59

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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.