Home / 1,426,164.28-2,140,087.34-528,236.76

Finding the Fourth Proportional to 1,426,164.28, 2,140,087.34 and 528,236.76

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Solution

The fourth proportional to 1,426,164.28, 2,140,087.34 and 528,236.76 is: 792,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,164.28 : 2,140,087.34 = 528,236.76 : x
  2. Step 2: Convert to fraction form
    1,426,164.28/2,140,087.34 = 528,236.76/x
  3. Step 3: Cross multiply
    1,426,164.28x = 2,140,087.34 × 528,236.76
  4. Step 4: Simplify right side
    1,426,164.28x = 1,130,472,802,598.62
  5. Step 5: Solve for x
    x = 1,130,472,802,598.62/1,426,164.28
  6. Step 6: Final answer
    x = 792,666.61

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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.