Home / 1,039,392.10-1,560,254.55-803,779.30

Finding the Fourth Proportional to 1,039,392.10, 1,560,254.55 and 803,779.30

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Solution

The fourth proportional to 1,039,392.10, 1,560,254.55 and 803,779.30 is: 1,206,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,392.10 : 1,560,254.55 = 803,779.30 : x
  2. Step 2: Convert to fraction form
    1,039,392.10/1,560,254.55 = 803,779.30/x
  3. Step 3: Cross multiply
    1,039,392.10x = 1,560,254.55 × 803,779.30
  4. Step 4: Simplify right side
    1,039,392.10x = 1,254,100,310,020.82
  5. Step 5: Solve for x
    x = 1,254,100,310,020.82/1,039,392.10
  6. Step 6: Final answer
    x = 1,206,570.95

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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.