Home / 1,110,667.51-1,666,063.57-311,886.76

Finding the Fourth Proportional to 1,110,667.51, 1,666,063.57 and 311,886.76

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Solution

The fourth proportional to 1,110,667.51, 1,666,063.57 and 311,886.76 is: 467,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,667.51 : 1,666,063.57 = 311,886.76 : x
  2. Step 2: Convert to fraction form
    1,110,667.51/1,666,063.57 = 311,886.76/x
  3. Step 3: Cross multiply
    1,110,667.51x = 1,666,063.57 × 311,886.76
  4. Step 4: Simplify right side
    1,110,667.51x = 519,623,168,801.33
  5. Step 5: Solve for x
    x = 519,623,168,801.33/1,110,667.51
  6. Step 6: Final answer
    x = 467,847.64

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1.5x scale

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.