Home / 1,420,012.60-2,130,018.90-673,516.60

Finding the Fourth Proportional to 1,420,012.60, 2,130,018.90 and 673,516.60

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Solution

The fourth proportional to 1,420,012.60, 2,130,018.90 and 673,516.60 is: 1,010,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,012.60 : 2,130,018.90 = 673,516.60 : x
  2. Step 2: Convert to fraction form
    1,420,012.60/2,130,018.90 = 673,516.60/x
  3. Step 3: Cross multiply
    1,420,012.60x = 2,130,018.90 × 673,516.60
  4. Step 4: Simplify right side
    1,420,012.60x = 1,434,603,087,463.74
  5. Step 5: Solve for x
    x = 1,434,603,087,463.74/1,420,012.60
  6. Step 6: Final answer
    x = 1,010,274.90

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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.