Home / 1,065,381.80-1,598,072.70-897,420.20

Finding the Fourth Proportional to 1,065,381.80, 1,598,072.70 and 897,420.20

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Solution

The fourth proportional to 1,065,381.80, 1,598,072.70 and 897,420.20 is: 1,346,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,381.80 : 1,598,072.70 = 897,420.20 : x
  2. Step 2: Convert to fraction form
    1,065,381.80/1,598,072.70 = 897,420.20/x
  3. Step 3: Cross multiply
    1,065,381.80x = 1,598,072.70 × 897,420.20
  4. Step 4: Simplify right side
    1,065,381.80x = 1,434,142,722,048.54
  5. Step 5: Solve for x
    x = 1,434,142,722,048.54/1,065,381.80
  6. Step 6: Final answer
    x = 1,346,130.30

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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.