Home / 1,075,975.76-1,484,778.12-646,274

Finding the Fourth Proportional to 1,075,975.76, 1,484,778.12 and 646,274

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Solution

The fourth proportional to 1,075,975.76, 1,484,778.12 and 646,274 is: 891,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,975.76 : 1,484,778.12 = 646,274 : x
  2. Step 2: Convert to fraction form
    1,075,975.76/1,484,778.12 = 646,274/x
  3. Step 3: Cross multiply
    1,075,975.76x = 1,484,778.12 × 646,274
  4. Step 4: Simplify right side
    1,075,975.76x = 959,573,494,724.88
  5. Step 5: Solve for x
    x = 959,573,494,724.88/1,075,975.76
  6. Step 6: Final answer
    x = 891,817.02

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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.