Home / 989,725.20-1,484,587.80-848,007.60

Finding the Fourth Proportional to 989,725.20, 1,484,587.80 and 848,007.60

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Solution

The fourth proportional to 989,725.20, 1,484,587.80 and 848,007.60 is: 1,272,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,725.20 : 1,484,587.80 = 848,007.60 : x
  2. Step 2: Convert to fraction form
    989,725.20/1,484,587.80 = 848,007.60/x
  3. Step 3: Cross multiply
    989,725.20x = 1,484,587.80 × 848,007.60
  4. Step 4: Simplify right side
    989,725.20x = 1,258,941,737,267.28
  5. Step 5: Solve for x
    x = 1,258,941,737,267.28/989,725.20
  6. Step 6: Final answer
    x = 1,272,011.40

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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.