Home / 1,297,117.26-1,945,681.65-398,551.50

Finding the Fourth Proportional to 1,297,117.26, 1,945,681.65 and 398,551.50

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Solution

The fourth proportional to 1,297,117.26, 1,945,681.65 and 398,551.50 is: 597,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,117.26 : 1,945,681.65 = 398,551.50 : x
  2. Step 2: Convert to fraction form
    1,297,117.26/1,945,681.65 = 398,551.50/x
  3. Step 3: Cross multiply
    1,297,117.26x = 1,945,681.65 × 398,551.50
  4. Step 4: Simplify right side
    1,297,117.26x = 775,454,340,129.98
  5. Step 5: Solve for x
    x = 775,454,340,129.98/1,297,117.26
  6. Step 6: Final answer
    x = 597,829.02

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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.