Home / 1,458,013.57-2,012,059.98-813,433.86

Finding the Fourth Proportional to 1,458,013.57, 2,012,059.98 and 813,433.86

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Solution

The fourth proportional to 1,458,013.57, 2,012,059.98 and 813,433.86 is: 1,122,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,013.57 : 2,012,059.98 = 813,433.86 : x
  2. Step 2: Convert to fraction form
    1,458,013.57/2,012,059.98 = 813,433.86/x
  3. Step 3: Cross multiply
    1,458,013.57x = 2,012,059.98 × 813,433.86
  4. Step 4: Simplify right side
    1,458,013.57x = 1,636,677,712,015.75
  5. Step 5: Solve for x
    x = 1,636,677,712,015.75/1,458,013.57
  6. Step 6: Final answer
    x = 1,122,539.43

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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.