Home / 989,841.70-1,484,762.55-741,009.70

Finding the Fourth Proportional to 989,841.70, 1,484,762.55 and 741,009.70

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Solution

The fourth proportional to 989,841.70, 1,484,762.55 and 741,009.70 is: 1,111,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,841.70 : 1,484,762.55 = 741,009.70 : x
  2. Step 2: Convert to fraction form
    989,841.70/1,484,762.55 = 741,009.70/x
  3. Step 3: Cross multiply
    989,841.70x = 1,484,762.55 × 741,009.70
  4. Step 4: Simplify right side
    989,841.70x = 1,100,223,451,746.73
  5. Step 5: Solve for x
    x = 1,100,223,451,746.73/989,841.70
  6. Step 6: Final answer
    x = 1,111,514.55

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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.