Home / 1,174,630.90-1,761,946.35-820,336.90

Finding the Fourth Proportional to 1,174,630.90, 1,761,946.35 and 820,336.90

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Solution

The fourth proportional to 1,174,630.90, 1,761,946.35 and 820,336.90 is: 1,230,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,630.90 : 1,761,946.35 = 820,336.90 : x
  2. Step 2: Convert to fraction form
    1,174,630.90/1,761,946.35 = 820,336.90/x
  3. Step 3: Cross multiply
    1,174,630.90x = 1,761,946.35 × 820,336.90
  4. Step 4: Simplify right side
    1,174,630.90x = 1,445,389,606,725.32
  5. Step 5: Solve for x
    x = 1,445,389,606,725.32/1,174,630.90
  6. Step 6: Final answer
    x = 1,230,505.35

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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.