Home / 1,128,251.40-1,695,141.90-848,315.40

Finding the Fourth Proportional to 1,128,251.40, 1,695,141.90 and 848,315.40

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Solution

The fourth proportional to 1,128,251.40, 1,695,141.90 and 848,315.40 is: 1,274,551.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,251.40 : 1,695,141.90 = 848,315.40 : x
  2. Step 2: Convert to fraction form
    1,128,251.40/1,695,141.90 = 848,315.40/x
  3. Step 3: Cross multiply
    1,128,251.40x = 1,695,141.90 × 848,315.40
  4. Step 4: Simplify right side
    1,128,251.40x = 1,438,014,978,955.26
  5. Step 5: Solve for x
    x = 1,438,014,978,955.26/1,128,251.40
  6. Step 6: Final answer
    x = 1,274,551.91

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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.