Home / 1,308,376.78-1,961,283.87-732,281.40

Finding the Fourth Proportional to 1,308,376.78, 1,961,283.87 and 732,281.40

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Solution

The fourth proportional to 1,308,376.78, 1,961,283.87 and 732,281.40 is: 1,097,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,376.78 : 1,961,283.87 = 732,281.40 : x
  2. Step 2: Convert to fraction form
    1,308,376.78/1,961,283.87 = 732,281.40/x
  3. Step 3: Cross multiply
    1,308,376.78x = 1,961,283.87 × 732,281.40
  4. Step 4: Simplify right side
    1,308,376.78x = 1,436,211,698,121.02
  5. Step 5: Solve for x
    x = 1,436,211,698,121.02/1,308,376.78
  6. Step 6: Final answer
    x = 1,097,704.97

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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.