Home / 1,374,295.72-1,896,140.46-890,881.24

Finding the Fourth Proportional to 1,374,295.72, 1,896,140.46 and 890,881.24

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Solution

The fourth proportional to 1,374,295.72, 1,896,140.46 and 890,881.24 is: 1,229,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,295.72 : 1,896,140.46 = 890,881.24 : x
  2. Step 2: Convert to fraction form
    1,374,295.72/1,896,140.46 = 890,881.24/x
  3. Step 3: Cross multiply
    1,374,295.72x = 1,896,140.46 × 890,881.24
  4. Step 4: Simplify right side
    1,374,295.72x = 1,689,235,964,218.97
  5. Step 5: Solve for x
    x = 1,689,235,964,218.97/1,374,295.72
  6. Step 6: Final answer
    x = 1,229,164.83

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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.