Home / 972,181.80-1,458,272.70-688,746.60

Finding the Fourth Proportional to 972,181.80, 1,458,272.70 and 688,746.60

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Solution

The fourth proportional to 972,181.80, 1,458,272.70 and 688,746.60 is: 1,033,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,181.80 : 1,458,272.70 = 688,746.60 : x
  2. Step 2: Convert to fraction form
    972,181.80/1,458,272.70 = 688,746.60/x
  3. Step 3: Cross multiply
    972,181.80x = 1,458,272.70 × 688,746.60
  4. Step 4: Simplify right side
    972,181.80x = 1,004,380,363,997.82
  5. Step 5: Solve for x
    x = 1,004,380,363,997.82/972,181.80
  6. Step 6: Final answer
    x = 1,033,119.90

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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.