Home / 977,534.20-1,466,495.70-820,847.80

Finding the Fourth Proportional to 977,534.20, 1,466,495.70 and 820,847.80

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Solution

The fourth proportional to 977,534.20, 1,466,495.70 and 820,847.80 is: 1,231,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,534.20 : 1,466,495.70 = 820,847.80 : x
  2. Step 2: Convert to fraction form
    977,534.20/1,466,495.70 = 820,847.80/x
  3. Step 3: Cross multiply
    977,534.20x = 1,466,495.70 × 820,847.80
  4. Step 4: Simplify right side
    977,534.20x = 1,203,769,769,054.46
  5. Step 5: Solve for x
    x = 1,203,769,769,054.46/977,534.20
  6. Step 6: Final answer
    x = 1,231,434.94

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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.