Home / 1,020,565.05-1,530,786.06-451,779.66

Finding the Fourth Proportional to 1,020,565.05, 1,530,786.06 and 451,779.66

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Solution

The fourth proportional to 1,020,565.05, 1,530,786.06 and 451,779.66 is: 677,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,565.05 : 1,530,786.06 = 451,779.66 : x
  2. Step 2: Convert to fraction form
    1,020,565.05/1,530,786.06 = 451,779.66/x
  3. Step 3: Cross multiply
    1,020,565.05x = 1,530,786.06 × 451,779.66
  4. Step 4: Simplify right side
    1,020,565.05x = 691,578,005,719.54
  5. Step 5: Solve for x
    x = 691,578,005,719.54/1,020,565.05
  6. Step 6: Final answer
    x = 677,642.26

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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.