Home / 1,239,319.27-1,710,274.37-688,072.54

Finding the Fourth Proportional to 1,239,319.27, 1,710,274.37 and 688,072.54

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Solution

The fourth proportional to 1,239,319.27, 1,710,274.37 and 688,072.54 is: 949,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,319.27 : 1,710,274.37 = 688,072.54 : x
  2. Step 2: Convert to fraction form
    1,239,319.27/1,710,274.37 = 688,072.54/x
  3. Step 3: Cross multiply
    1,239,319.27x = 1,710,274.37 × 688,072.54
  4. Step 4: Simplify right side
    1,239,319.27x = 1,176,792,826,422.44
  5. Step 5: Solve for x
    x = 1,176,792,826,422.44/1,239,319.27
  6. Step 6: Final answer
    x = 949,547.75

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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.