Home / 1,500,525.46-2,070,725.21-821,461.96

Finding the Fourth Proportional to 1,500,525.46, 2,070,725.21 and 821,461.96

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Solution

The fourth proportional to 1,500,525.46, 2,070,725.21 and 821,461.96 is: 1,133,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,525.46 : 2,070,725.21 = 821,461.96 : x
  2. Step 2: Convert to fraction form
    1,500,525.46/2,070,725.21 = 821,461.96/x
  3. Step 3: Cross multiply
    1,500,525.46x = 2,070,725.21 × 821,461.96
  4. Step 4: Simplify right side
    1,500,525.46x = 1,701,021,985,520.70
  5. Step 5: Solve for x
    x = 1,701,021,985,520.70/1,500,525.46
  6. Step 6: Final answer
    x = 1,133,617.54

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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.