Home / 1,110,710.78-1,666,130.78-312,054.59

Finding the Fourth Proportional to 1,110,710.78, 1,666,130.78 and 312,054.59

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Solution

The fourth proportional to 1,110,710.78, 1,666,130.78 and 312,054.59 is: 468,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,710.78 : 1,666,130.78 = 312,054.59 : x
  2. Step 2: Convert to fraction form
    1,110,710.78/1,666,130.78 = 312,054.59/x
  3. Step 3: Cross multiply
    1,110,710.78x = 1,666,130.78 × 312,054.59
  4. Step 4: Simplify right side
    1,110,710.78x = 519,923,747,548.35
  5. Step 5: Solve for x
    x = 519,923,747,548.35/1,110,710.78
  6. Step 6: Final answer
    x = 468,100.03

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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.