Home / 989,721.20-1,484,581.80-848,003.60

Finding the Fourth Proportional to 989,721.20, 1,484,581.80 and 848,003.60

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Solution

The fourth proportional to 989,721.20, 1,484,581.80 and 848,003.60 is: 1,272,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,721.20 : 1,484,581.80 = 848,003.60 : x
  2. Step 2: Convert to fraction form
    989,721.20/1,484,581.80 = 848,003.60/x
  3. Step 3: Cross multiply
    989,721.20x = 1,484,581.80 × 848,003.60
  4. Step 4: Simplify right side
    989,721.20x = 1,258,930,710,894.48
  5. Step 5: Solve for x
    x = 1,258,930,710,894.48/989,721.20
  6. Step 6: Final answer
    x = 1,272,005.40

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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.