Home / 1,107,310.40-1,657,466.40-869,364.80

Finding the Fourth Proportional to 1,107,310.40, 1,657,466.40 and 869,364.80

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Solution

The fourth proportional to 1,107,310.40, 1,657,466.40 and 869,364.80 is: 1,301,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,310.40 : 1,657,466.40 = 869,364.80 : x
  2. Step 2: Convert to fraction form
    1,107,310.40/1,657,466.40 = 869,364.80/x
  3. Step 3: Cross multiply
    1,107,310.40x = 1,657,466.40 × 869,364.80
  4. Step 4: Simplify right side
    1,107,310.40x = 1,440,942,945,342.72
  5. Step 5: Solve for x
    x = 1,440,942,945,342.72/1,107,310.40
  6. Step 6: Final answer
    x = 1,301,299.93

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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.