Home / 1,210,569.28-1,801,563.20-1,170,206.80

Finding the Fourth Proportional to 1,210,569.28, 1,801,563.20 and 1,170,206.80

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Solution

The fourth proportional to 1,210,569.28, 1,801,563.20 and 1,170,206.80 is: 1,741,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,569.28 : 1,801,563.20 = 1,170,206.80 : x
  2. Step 2: Convert to fraction form
    1,210,569.28/1,801,563.20 = 1,170,206.80/x
  3. Step 3: Cross multiply
    1,210,569.28x = 1,801,563.20 × 1,170,206.80
  4. Step 4: Simplify right side
    1,210,569.28x = 2,108,201,507,269.76
  5. Step 5: Solve for x
    x = 2,108,201,507,269.76/1,210,569.28
  6. Step 6: Final answer
    x = 1,741,495.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.