Home / 1,369,974.67-1,890,518.61-758,153.32

Finding the Fourth Proportional to 1,369,974.67, 1,890,518.61 and 758,153.32

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Solution

The fourth proportional to 1,369,974.67, 1,890,518.61 and 758,153.32 is: 1,046,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,974.67 : 1,890,518.61 = 758,153.32 : x
  2. Step 2: Convert to fraction form
    1,369,974.67/1,890,518.61 = 758,153.32/x
  3. Step 3: Cross multiply
    1,369,974.67x = 1,890,518.61 × 758,153.32
  4. Step 4: Simplify right side
    1,369,974.67x = 1,433,302,960,693.29
  5. Step 5: Solve for x
    x = 1,433,302,960,693.29/1,369,974.67
  6. Step 6: Final answer
    x = 1,046,225.88

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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.