Home / 1,690,085.19-2,332,089.32-964,886.79

Finding the Fourth Proportional to 1,690,085.19, 2,332,089.32 and 964,886.79

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Solution

The fourth proportional to 1,690,085.19, 2,332,089.32 and 964,886.79 is: 1,331,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,085.19 : 2,332,089.32 = 964,886.79 : x
  2. Step 2: Convert to fraction form
    1,690,085.19/2,332,089.32 = 964,886.79/x
  3. Step 3: Cross multiply
    1,690,085.19x = 2,332,089.32 × 964,886.79
  4. Step 4: Simplify right side
    1,690,085.19x = 2,250,202,173,143.65
  5. Step 5: Solve for x
    x = 2,250,202,173,143.65/1,690,085.19
  6. Step 6: Final answer
    x = 1,331,413.46

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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.