Home / 1,574,828.72-2,362,619.36-509,871.96

Finding the Fourth Proportional to 1,574,828.72, 2,362,619.36 and 509,871.96

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Solution

The fourth proportional to 1,574,828.72, 2,362,619.36 and 509,871.96 is: 764,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,828.72 : 2,362,619.36 = 509,871.96 : x
  2. Step 2: Convert to fraction form
    1,574,828.72/2,362,619.36 = 509,871.96/x
  3. Step 3: Cross multiply
    1,574,828.72x = 2,362,619.36 × 509,871.96
  4. Step 4: Simplify right side
    1,574,828.72x = 1,204,633,363,817.15
  5. Step 5: Solve for x
    x = 1,204,633,363,817.15/1,574,828.72
  6. Step 6: Final answer
    x = 764,929.77

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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.