Home / 1,525,679.51-2,104,915.07-871,835.76

Finding the Fourth Proportional to 1,525,679.51, 2,104,915.07 and 871,835.76

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Solution

The fourth proportional to 1,525,679.51, 2,104,915.07 and 871,835.76 is: 1,202,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,679.51 : 2,104,915.07 = 871,835.76 : x
  2. Step 2: Convert to fraction form
    1,525,679.51/2,104,915.07 = 871,835.76/x
  3. Step 3: Cross multiply
    1,525,679.51x = 2,104,915.07 × 871,835.76
  4. Step 4: Simplify right side
    1,525,679.51x = 1,835,140,231,968.49
  5. Step 5: Solve for x
    x = 1,835,140,231,968.49/1,525,679.51
  6. Step 6: Final answer
    x = 1,202,834.69

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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.