Home / 1,269,420.63-1,751,800.43-725,568.10

Finding the Fourth Proportional to 1,269,420.63, 1,751,800.43 and 725,568.10

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Solution

The fourth proportional to 1,269,420.63, 1,751,800.43 and 725,568.10 is: 1,001,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,420.63 : 1,751,800.43 = 725,568.10 : x
  2. Step 2: Convert to fraction form
    1,269,420.63/1,751,800.43 = 725,568.10/x
  3. Step 3: Cross multiply
    1,269,420.63x = 1,751,800.43 × 725,568.10
  4. Step 4: Simplify right side
    1,269,420.63x = 1,271,050,507,008.70
  5. Step 5: Solve for x
    x = 1,271,050,507,008.70/1,269,420.63
  6. Step 6: Final answer
    x = 1,001,283.96

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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.