Home / 1,689,627.44-2,534,439-678,749.34

Finding the Fourth Proportional to 1,689,627.44, 2,534,439 and 678,749.34

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Solution

The fourth proportional to 1,689,627.44, 2,534,439 and 678,749.34 is: 1,018,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,627.44 : 2,534,439 = 678,749.34 : x
  2. Step 2: Convert to fraction form
    1,689,627.44/2,534,439 = 678,749.34/x
  3. Step 3: Cross multiply
    1,689,627.44x = 2,534,439 × 678,749.34
  4. Step 4: Simplify right side
    1,689,627.44x = 1,720,248,798,520.26
  5. Step 5: Solve for x
    x = 1,720,248,798,520.26/1,689,627.44
  6. Step 6: Final answer
    x = 1,018,123.14

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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.