Home / 1,189,938.07-1,643,466.56-802,084.55

Finding the Fourth Proportional to 1,189,938.07, 1,643,466.56 and 802,084.55

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Solution

The fourth proportional to 1,189,938.07, 1,643,466.56 and 802,084.55 is: 1,107,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,938.07 : 1,643,466.56 = 802,084.55 : x
  2. Step 2: Convert to fraction form
    1,189,938.07/1,643,466.56 = 802,084.55/x
  3. Step 3: Cross multiply
    1,189,938.07x = 1,643,466.56 × 802,084.55
  4. Step 4: Simplify right side
    1,189,938.07x = 1,318,199,136,217.65
  5. Step 5: Solve for x
    x = 1,318,199,136,217.65/1,189,938.07
  6. Step 6: Final answer
    x = 1,107,788.02

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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.