Home / 1,500,530.27-2,070,731.79-821,466.77

Finding the Fourth Proportional to 1,500,530.27, 2,070,731.79 and 821,466.77

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Solution

The fourth proportional to 1,500,530.27, 2,070,731.79 and 821,466.77 is: 1,133,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,530.27 : 2,070,731.79 = 821,466.77 : x
  2. Step 2: Convert to fraction form
    1,500,530.27/2,070,731.79 = 821,466.77/x
  3. Step 3: Cross multiply
    1,500,530.27x = 2,070,731.79 × 821,466.77
  4. Step 4: Simplify right side
    1,500,530.27x = 1,701,037,344,713.96
  5. Step 5: Solve for x
    x = 1,701,037,344,713.96/1,500,530.27
  6. Step 6: Final answer
    x = 1,133,624.15

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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.