Home / 842,068.20-1,266,212.70-705,210.60

Finding the Fourth Proportional to 842,068.20, 1,266,212.70 and 705,210.60

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Solution

The fourth proportional to 842,068.20, 1,266,212.70 and 705,210.60 is: 1,060,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,068.20 : 1,266,212.70 = 705,210.60 : x
  2. Step 2: Convert to fraction form
    842,068.20/1,266,212.70 = 705,210.60/x
  3. Step 3: Cross multiply
    842,068.20x = 1,266,212.70 × 705,210.60
  4. Step 4: Simplify right side
    842,068.20x = 892,946,617,894.62
  5. Step 5: Solve for x
    x = 892,946,617,894.62/842,068.20
  6. Step 6: Final answer
    x = 1,060,420.78

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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.