Home / 1,342,166.85-2,011,564.62-802,821.06

Finding the Fourth Proportional to 1,342,166.85, 2,011,564.62 and 802,821.06

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Solution

The fourth proportional to 1,342,166.85, 2,011,564.62 and 802,821.06 is: 1,203,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,166.85 : 2,011,564.62 = 802,821.06 : x
  2. Step 2: Convert to fraction form
    1,342,166.85/2,011,564.62 = 802,821.06/x
  3. Step 3: Cross multiply
    1,342,166.85x = 2,011,564.62 × 802,821.06
  4. Step 4: Simplify right side
    1,342,166.85x = 1,614,926,440,486.90
  5. Step 5: Solve for x
    x = 1,614,926,440,486.90/1,342,166.85
  6. Step 6: Final answer
    x = 1,203,223.31

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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.