Home / 1,261,395.52-1,740,459.74-802,343

Finding the Fourth Proportional to 1,261,395.52, 1,740,459.74 and 802,343

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Solution

The fourth proportional to 1,261,395.52, 1,740,459.74 and 802,343 is: 1,107,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,395.52 : 1,740,459.74 = 802,343 : x
  2. Step 2: Convert to fraction form
    1,261,395.52/1,740,459.74 = 802,343/x
  3. Step 3: Cross multiply
    1,261,395.52x = 1,740,459.74 × 802,343
  4. Step 4: Simplify right side
    1,261,395.52x = 1,396,445,689,170.82
  5. Step 5: Solve for x
    x = 1,396,445,689,170.82/1,261,395.52
  6. Step 6: Final answer
    x = 1,107,064.09

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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.