Home / 1,428,563.80-2,141,333.70-529,427.80

Finding the Fourth Proportional to 1,428,563.80, 2,141,333.70 and 529,427.80

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Solution

The fourth proportional to 1,428,563.80, 2,141,333.70 and 529,427.80 is: 793,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,563.80 : 2,141,333.70 = 529,427.80 : x
  2. Step 2: Convert to fraction form
    1,428,563.80/2,141,333.70 = 529,427.80/x
  3. Step 3: Cross multiply
    1,428,563.80x = 2,141,333.70 × 529,427.80
  4. Step 4: Simplify right side
    1,428,563.80x = 1,133,681,589,856.86
  5. Step 5: Solve for x
    x = 1,133,681,589,856.86/1,428,563.80
  6. Step 6: Final answer
    x = 793,581.35

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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.