Home / 1,458,021.22-2,012,061.30-813,440.02

Finding the Fourth Proportional to 1,458,021.22, 2,012,061.30 and 813,440.02

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Solution

The fourth proportional to 1,458,021.22, 2,012,061.30 and 813,440.02 is: 1,122,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,021.22 : 2,012,061.30 = 813,440.02 : x
  2. Step 2: Convert to fraction form
    1,458,021.22/2,012,061.30 = 813,440.02/x
  3. Step 3: Cross multiply
    1,458,021.22x = 2,012,061.30 × 813,440.02
  4. Step 4: Simplify right side
    1,458,021.22x = 1,636,691,184,113.23
  5. Step 5: Solve for x
    x = 1,636,691,184,113.23/1,458,021.22
  6. Step 6: Final answer
    x = 1,122,542.77

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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.