Home / 1,500,963.20-2,071,325.76-821,893.76

Finding the Fourth Proportional to 1,500,963.20, 2,071,325.76 and 821,893.76

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Solution

The fourth proportional to 1,500,963.20, 2,071,325.76 and 821,893.76 is: 1,134,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,963.20 : 2,071,325.76 = 821,893.76 : x
  2. Step 2: Convert to fraction form
    1,500,963.20/2,071,325.76 = 821,893.76/x
  3. Step 3: Cross multiply
    1,500,963.20x = 2,071,325.76 × 821,893.76
  4. Step 4: Simplify right side
    1,500,963.20x = 1,702,409,717,071.26
  5. Step 5: Solve for x
    x = 1,702,409,717,071.26/1,500,963.20
  6. Step 6: Final answer
    x = 1,134,211.50

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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.