Home / 1,004,815.70-1,507,223.55-815,858.90

Finding the Fourth Proportional to 1,004,815.70, 1,507,223.55 and 815,858.90

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Solution

The fourth proportional to 1,004,815.70, 1,507,223.55 and 815,858.90 is: 1,223,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,815.70 : 1,507,223.55 = 815,858.90 : x
  2. Step 2: Convert to fraction form
    1,004,815.70/1,507,223.55 = 815,858.90/x
  3. Step 3: Cross multiply
    1,004,815.70x = 1,507,223.55 × 815,858.90
  4. Step 4: Simplify right side
    1,004,815.70x = 1,229,681,747,557.10
  5. Step 5: Solve for x
    x = 1,229,681,747,557.10/1,004,815.70
  6. Step 6: Final answer
    x = 1,223,788.35

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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.