Home / 970,907.36-1,340,426.85-863,179.84

Finding the Fourth Proportional to 970,907.36, 1,340,426.85 and 863,179.84

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Solution

The fourth proportional to 970,907.36, 1,340,426.85 and 863,179.84 is: 1,191,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,907.36 : 1,340,426.85 = 863,179.84 : x
  2. Step 2: Convert to fraction form
    970,907.36/1,340,426.85 = 863,179.84/x
  3. Step 3: Cross multiply
    970,907.36x = 1,340,426.85 × 863,179.84
  4. Step 4: Simplify right side
    970,907.36x = 1,157,029,433,914.70
  5. Step 5: Solve for x
    x = 1,157,029,433,914.70/970,907.36
  6. Step 6: Final answer
    x = 1,191,699.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.