Home / 1,205,853.40-1,806,155.70-731,711.80

Finding the Fourth Proportional to 1,205,853.40, 1,806,155.70 and 731,711.80

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Solution

The fourth proportional to 1,205,853.40, 1,806,155.70 and 731,711.80 is: 1,095,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,853.40 : 1,806,155.70 = 731,711.80 : x
  2. Step 2: Convert to fraction form
    1,205,853.40/1,806,155.70 = 731,711.80/x
  3. Step 3: Cross multiply
    1,205,853.40x = 1,806,155.70 × 731,711.80
  4. Step 4: Simplify right side
    1,205,853.40x = 1,321,585,438,327.26
  5. Step 5: Solve for x
    x = 1,321,585,438,327.26/1,205,853.40
  6. Step 6: Final answer
    x = 1,095,975.21

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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.