Home / 1,557,157.41-2,148,725.21-903,681.81

Finding the Fourth Proportional to 1,557,157.41, 2,148,725.21 and 903,681.81

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Solution

The fourth proportional to 1,557,157.41, 2,148,725.21 and 903,681.81 is: 1,246,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,157.41 : 2,148,725.21 = 903,681.81 : x
  2. Step 2: Convert to fraction form
    1,557,157.41/2,148,725.21 = 903,681.81/x
  3. Step 3: Cross multiply
    1,557,157.41x = 2,148,725.21 × 903,681.81
  4. Step 4: Simplify right side
    1,557,157.41x = 1,941,763,882,447.02
  5. Step 5: Solve for x
    x = 1,941,763,882,447.02/1,557,157.41
  6. Step 6: Final answer
    x = 1,246,992.67

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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.