Home / 1,217,852.84-1,680,076.18-788,271

Finding the Fourth Proportional to 1,217,852.84, 1,680,076.18 and 788,271

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Solution

The fourth proportional to 1,217,852.84, 1,680,076.18 and 788,271 is: 1,087,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,852.84 : 1,680,076.18 = 788,271 : x
  2. Step 2: Convert to fraction form
    1,217,852.84/1,680,076.18 = 788,271/x
  3. Step 3: Cross multiply
    1,217,852.84x = 1,680,076.18 × 788,271
  4. Step 4: Simplify right side
    1,217,852.84x = 1,324,355,330,484.78
  5. Step 5: Solve for x
    x = 1,324,355,330,484.78/1,217,852.84
  6. Step 6: Final answer
    x = 1,087,451.03

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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.