Home / 1,470,465.72-2,206,072.78-863,767.08

Finding the Fourth Proportional to 1,470,465.72, 2,206,072.78 and 863,767.08

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Solution

The fourth proportional to 1,470,465.72, 2,206,072.78 and 863,767.08 is: 1,295,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,465.72 : 2,206,072.78 = 863,767.08 : x
  2. Step 2: Convert to fraction form
    1,470,465.72/2,206,072.78 = 863,767.08/x
  3. Step 3: Cross multiply
    1,470,465.72x = 2,206,072.78 × 863,767.08
  4. Step 4: Simplify right side
    1,470,465.72x = 1,905,533,041,288.66
  5. Step 5: Solve for x
    x = 1,905,533,041,288.66/1,470,465.72
  6. Step 6: Final answer
    x = 1,295,870.43

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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.