Home / 1,039,219.10-1,559,995.05-803,606.30

Finding the Fourth Proportional to 1,039,219.10, 1,559,995.05 and 803,606.30

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Solution

The fourth proportional to 1,039,219.10, 1,559,995.05 and 803,606.30 is: 1,206,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,219.10 : 1,559,995.05 = 803,606.30 : x
  2. Step 2: Convert to fraction form
    1,039,219.10/1,559,995.05 = 803,606.30/x
  3. Step 3: Cross multiply
    1,039,219.10x = 1,559,995.05 × 803,606.30
  4. Step 4: Simplify right side
    1,039,219.10x = 1,253,621,850,148.82
  5. Step 5: Solve for x
    x = 1,253,621,850,148.82/1,039,219.10
  6. Step 6: Final answer
    x = 1,206,311.40

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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.