Home / 1,041,808.10-1,560,254.55-643,676.90

Finding the Fourth Proportional to 1,041,808.10, 1,560,254.55 and 643,676.90

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Solution

The fourth proportional to 1,041,808.10, 1,560,254.55 and 643,676.90 is: 963,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,808.10 : 1,560,254.55 = 643,676.90 : x
  2. Step 2: Convert to fraction form
    1,041,808.10/1,560,254.55 = 643,676.90/x
  3. Step 3: Cross multiply
    1,041,808.10x = 1,560,254.55 × 643,676.90
  4. Step 4: Simplify right side
    1,041,808.10x = 1,004,299,811,954.90
  5. Step 5: Solve for x
    x = 1,004,299,811,954.90/1,041,808.10
  6. Step 6: Final answer
    x = 963,996.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.