Home / 1,212,319.40-1,673,012.42-668,474.46

Finding the Fourth Proportional to 1,212,319.40, 1,673,012.42 and 668,474.46

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Solution

The fourth proportional to 1,212,319.40, 1,673,012.42 and 668,474.46 is: 922,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,319.40 : 1,673,012.42 = 668,474.46 : x
  2. Step 2: Convert to fraction form
    1,212,319.40/1,673,012.42 = 668,474.46/x
  3. Step 3: Cross multiply
    1,212,319.40x = 1,673,012.42 × 668,474.46
  4. Step 4: Simplify right side
    1,212,319.40x = 1,118,366,070,690.42
  5. Step 5: Solve for x
    x = 1,118,366,070,690.42/1,212,319.40
  6. Step 6: Final answer
    x = 922,501.18

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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.