Home / 1,500,845.32-2,071,167.06-821,824.84

Finding the Fourth Proportional to 1,500,845.32, 2,071,167.06 and 821,824.84

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Solution

The fourth proportional to 1,500,845.32, 2,071,167.06 and 821,824.84 is: 1,134,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,845.32 : 2,071,167.06 = 821,824.84 : x
  2. Step 2: Convert to fraction form
    1,500,845.32/2,071,167.06 = 821,824.84/x
  3. Step 3: Cross multiply
    1,500,845.32x = 2,071,167.06 × 821,824.84
  4. Step 4: Simplify right side
    1,500,845.32x = 1,702,136,537,697.77
  5. Step 5: Solve for x
    x = 1,702,136,537,697.77/1,500,845.32
  6. Step 6: Final answer
    x = 1,134,118.56

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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.