Home / 1,112,554.98-1,667,706.93-438,374.16

Finding the Fourth Proportional to 1,112,554.98, 1,667,706.93 and 438,374.16

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Solution

The fourth proportional to 1,112,554.98, 1,667,706.93 and 438,374.16 is: 657,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,554.98 : 1,667,706.93 = 438,374.16 : x
  2. Step 2: Convert to fraction form
    1,112,554.98/1,667,706.93 = 438,374.16/x
  3. Step 3: Cross multiply
    1,112,554.98x = 1,667,706.93 × 438,374.16
  4. Step 4: Simplify right side
    1,112,554.98x = 731,079,624,564.93
  5. Step 5: Solve for x
    x = 731,079,624,564.93/1,112,554.98
  6. Step 6: Final answer
    x = 657,117.75

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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.