Home / 1,308,804.10-1,963,206.15-804,919.30

Finding the Fourth Proportional to 1,308,804.10, 1,963,206.15 and 804,919.30

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Solution

The fourth proportional to 1,308,804.10, 1,963,206.15 and 804,919.30 is: 1,207,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,804.10 : 1,963,206.15 = 804,919.30 : x
  2. Step 2: Convert to fraction form
    1,308,804.10/1,963,206.15 = 804,919.30/x
  3. Step 3: Cross multiply
    1,308,804.10x = 1,963,206.15 × 804,919.30
  4. Step 4: Simplify right side
    1,308,804.10x = 1,580,222,520,013.70
  5. Step 5: Solve for x
    x = 1,580,222,520,013.70/1,308,804.10
  6. Step 6: Final answer
    x = 1,207,378.95

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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.