Home / 1,036,638.90-1,430,072.61-606,652.98

Finding the Fourth Proportional to 1,036,638.90, 1,430,072.61 and 606,652.98

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Solution

The fourth proportional to 1,036,638.90, 1,430,072.61 and 606,652.98 is: 836,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,638.90 : 1,430,072.61 = 606,652.98 : x
  2. Step 2: Convert to fraction form
    1,036,638.90/1,430,072.61 = 606,652.98/x
  3. Step 3: Cross multiply
    1,036,638.90x = 1,430,072.61 × 606,652.98
  4. Step 4: Simplify right side
    1,036,638.90x = 867,557,810,472.88
  5. Step 5: Solve for x
    x = 867,557,810,472.88/1,036,638.90
  6. Step 6: Final answer
    x = 836,894.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.