Home / 1,427,970.04-1,970,260.65-807,789.46

Finding the Fourth Proportional to 1,427,970.04, 1,970,260.65 and 807,789.46

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Solution

The fourth proportional to 1,427,970.04, 1,970,260.65 and 807,789.46 is: 1,114,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,970.04 : 1,970,260.65 = 807,789.46 : x
  2. Step 2: Convert to fraction form
    1,427,970.04/1,970,260.65 = 807,789.46/x
  3. Step 3: Cross multiply
    1,427,970.04x = 1,970,260.65 × 807,789.46
  4. Step 4: Simplify right side
    1,427,970.04x = 1,591,555,786,522.75
  5. Step 5: Solve for x
    x = 1,591,555,786,522.75/1,427,970.04
  6. Step 6: Final answer
    x = 1,114,558.25

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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.