Home / 1,304,272.40-1,956,408.60-805,917.20

Finding the Fourth Proportional to 1,304,272.40, 1,956,408.60 and 805,917.20

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Solution

The fourth proportional to 1,304,272.40, 1,956,408.60 and 805,917.20 is: 1,208,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,272.40 : 1,956,408.60 = 805,917.20 : x
  2. Step 2: Convert to fraction form
    1,304,272.40/1,956,408.60 = 805,917.20/x
  3. Step 3: Cross multiply
    1,304,272.40x = 1,956,408.60 × 805,917.20
  4. Step 4: Simplify right side
    1,304,272.40x = 1,576,703,340,967.92
  5. Step 5: Solve for x
    x = 1,576,703,340,967.92/1,304,272.40
  6. Step 6: Final answer
    x = 1,208,875.80

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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.