Home / 1,380,042.53-2,070,487.37-706,596.66

Finding the Fourth Proportional to 1,380,042.53, 2,070,487.37 and 706,596.66

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Solution

The fourth proportional to 1,380,042.53, 2,070,487.37 and 706,596.66 is: 1,060,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,042.53 : 2,070,487.37 = 706,596.66 : x
  2. Step 2: Convert to fraction form
    1,380,042.53/2,070,487.37 = 706,596.66/x
  3. Step 3: Cross multiply
    1,380,042.53x = 2,070,487.37 × 706,596.66
  4. Step 4: Simplify right side
    1,380,042.53x = 1,462,999,456,681.20
  5. Step 5: Solve for x
    x = 1,462,999,456,681.20/1,380,042.53
  6. Step 6: Final answer
    x = 1,060,111.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.