Home / 1,683,667.57-2,525,494.06-421,491.55

Finding the Fourth Proportional to 1,683,667.57, 2,525,494.06 and 421,491.55

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Solution

The fourth proportional to 1,683,667.57, 2,525,494.06 and 421,491.55 is: 632,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,667.57 : 2,525,494.06 = 421,491.55 : x
  2. Step 2: Convert to fraction form
    1,683,667.57/2,525,494.06 = 421,491.55/x
  3. Step 3: Cross multiply
    1,683,667.57x = 2,525,494.06 × 421,491.55
  4. Step 4: Simplify right side
    1,683,667.57x = 1,064,474,399,551.46
  5. Step 5: Solve for x
    x = 1,064,474,399,551.46/1,683,667.57
  6. Step 6: Final answer
    x = 632,235.50

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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.