Home / 1,004,821.70-1,507,232.55-815,864.90

Finding the Fourth Proportional to 1,004,821.70, 1,507,232.55 and 815,864.90

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Solution

The fourth proportional to 1,004,821.70, 1,507,232.55 and 815,864.90 is: 1,223,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,821.70 : 1,507,232.55 = 815,864.90 : x
  2. Step 2: Convert to fraction form
    1,004,821.70/1,507,232.55 = 815,864.90/x
  3. Step 3: Cross multiply
    1,004,821.70x = 1,507,232.55 × 815,864.90
  4. Step 4: Simplify right side
    1,004,821.70x = 1,229,698,133,682.50
  5. Step 5: Solve for x
    x = 1,229,698,133,682.50/1,004,821.70
  6. Step 6: Final answer
    x = 1,223,797.35

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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.