Home / 1,210,179.42-1,670,035.32-666,304.92

Finding the Fourth Proportional to 1,210,179.42, 1,670,035.32 and 666,304.92

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Solution

The fourth proportional to 1,210,179.42, 1,670,035.32 and 666,304.92 is: 919,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,179.42 : 1,670,035.32 = 666,304.92 : x
  2. Step 2: Convert to fraction form
    1,210,179.42/1,670,035.32 = 666,304.92/x
  3. Step 3: Cross multiply
    1,210,179.42x = 1,670,035.32 × 666,304.92
  4. Step 4: Simplify right side
    1,210,179.42x = 1,112,752,750,289.77
  5. Step 5: Solve for x
    x = 1,112,752,750,289.77/1,210,179.42
  6. Step 6: Final answer
    x = 919,494.03

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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.