Home / 1,149,890.43-1,586,848.93-666,735.86

Finding the Fourth Proportional to 1,149,890.43, 1,586,848.93 and 666,735.86

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Solution

The fourth proportional to 1,149,890.43, 1,586,848.93 and 666,735.86 is: 920,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,890.43 : 1,586,848.93 = 666,735.86 : x
  2. Step 2: Convert to fraction form
    1,149,890.43/1,586,848.93 = 666,735.86/x
  3. Step 3: Cross multiply
    1,149,890.43x = 1,586,848.93 × 666,735.86
  4. Step 4: Simplify right side
    1,149,890.43x = 1,058,009,079,407.89
  5. Step 5: Solve for x
    x = 1,058,009,079,407.89/1,149,890.43
  6. Step 6: Final answer
    x = 920,095.56

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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.