Home / 1,707,907.90-2,561,533.80-509,869.30

Finding the Fourth Proportional to 1,707,907.90, 2,561,533.80 and 509,869.30

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Solution

The fourth proportional to 1,707,907.90, 2,561,533.80 and 509,869.30 is: 764,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,907.90 : 2,561,533.80 = 509,869.30 : x
  2. Step 2: Convert to fraction form
    1,707,907.90/2,561,533.80 = 509,869.30/x
  3. Step 3: Cross multiply
    1,707,907.90x = 2,561,533.80 × 509,869.30
  4. Step 4: Simplify right side
    1,707,907.90x = 1,306,047,445,532.34
  5. Step 5: Solve for x
    x = 1,306,047,445,532.34/1,707,907.90
  6. Step 6: Final answer
    x = 764,706.02

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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.