Home / 1,688,997.75-2,330,833.32-1,009,934.25

Finding the Fourth Proportional to 1,688,997.75, 2,330,833.32 and 1,009,934.25

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Solution

The fourth proportional to 1,688,997.75, 2,330,833.32 and 1,009,934.25 is: 1,393,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,997.75 : 2,330,833.32 = 1,009,934.25 : x
  2. Step 2: Convert to fraction form
    1,688,997.75/2,330,833.32 = 1,009,934.25/x
  3. Step 3: Cross multiply
    1,688,997.75x = 2,330,833.32 × 1,009,934.25
  4. Step 4: Simplify right side
    1,688,997.75x = 2,353,988,400,909.21
  5. Step 5: Solve for x
    x = 2,353,988,400,909.21/1,688,997.75
  6. Step 6: Final answer
    x = 1,393,719.09

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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.