Home / 1,217,420.95-1,679,893.21-701,341.94

Finding the Fourth Proportional to 1,217,420.95, 1,679,893.21 and 701,341.94

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Solution

The fourth proportional to 1,217,420.95, 1,679,893.21 and 701,341.94 is: 967,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,420.95 : 1,679,893.21 = 701,341.94 : x
  2. Step 2: Convert to fraction form
    1,217,420.95/1,679,893.21 = 701,341.94/x
  3. Step 3: Cross multiply
    1,217,420.95x = 1,679,893.21 × 701,341.94
  4. Step 4: Simplify right side
    1,217,420.95x = 1,178,179,562,894.23
  5. Step 5: Solve for x
    x = 1,178,179,562,894.23/1,217,420.95
  6. Step 6: Final answer
    x = 967,766.79

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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.