Home / 1,500,524.64-2,070,723.92-821,461.12

Finding the Fourth Proportional to 1,500,524.64, 2,070,723.92 and 821,461.12

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Solution

The fourth proportional to 1,500,524.64, 2,070,723.92 and 821,461.12 is: 1,133,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,524.64 : 2,070,723.92 = 821,461.12 : x
  2. Step 2: Convert to fraction form
    1,500,524.64/2,070,723.92 = 821,461.12/x
  3. Step 3: Cross multiply
    1,500,524.64x = 2,070,723.92 × 821,461.12
  4. Step 4: Simplify right side
    1,500,524.64x = 1,701,019,190,533.99
  5. Step 5: Solve for x
    x = 1,701,019,190,533.99/1,500,524.64
  6. Step 6: Final answer
    x = 1,133,616.30

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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.