Home / 1,500,281.32-2,250,619.71-489,048.97

Finding the Fourth Proportional to 1,500,281.32, 2,250,619.71 and 489,048.97

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Solution

The fourth proportional to 1,500,281.32, 2,250,619.71 and 489,048.97 is: 733,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,281.32 : 2,250,619.71 = 489,048.97 : x
  2. Step 2: Convert to fraction form
    1,500,281.32/2,250,619.71 = 489,048.97/x
  3. Step 3: Cross multiply
    1,500,281.32x = 2,250,619.71 × 489,048.97
  4. Step 4: Simplify right side
    1,500,281.32x = 1,100,663,239,784.10
  5. Step 5: Solve for x
    x = 1,100,663,239,784.10/1,500,281.32
  6. Step 6: Final answer
    x = 733,637.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.