Home / 1,266,778.71-1,748,182.91-722,903.67

Finding the Fourth Proportional to 1,266,778.71, 1,748,182.91 and 722,903.67

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Solution

The fourth proportional to 1,266,778.71, 1,748,182.91 and 722,903.67 is: 997,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,778.71 : 1,748,182.91 = 722,903.67 : x
  2. Step 2: Convert to fraction form
    1,266,778.71/1,748,182.91 = 722,903.67/x
  3. Step 3: Cross multiply
    1,266,778.71x = 1,748,182.91 × 722,903.67
  4. Step 4: Simplify right side
    1,266,778.71x = 1,263,767,837,855.76
  5. Step 5: Solve for x
    x = 1,263,767,837,855.76/1,266,778.71
  6. Step 6: Final answer
    x = 997,623.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.