Home / 1,289,567.08-1,779,589.74-716,595.22

Finding the Fourth Proportional to 1,289,567.08, 1,779,589.74 and 716,595.22

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Solution

The fourth proportional to 1,289,567.08, 1,779,589.74 and 716,595.22 is: 988,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,567.08 : 1,779,589.74 = 716,595.22 : x
  2. Step 2: Convert to fraction form
    1,289,567.08/1,779,589.74 = 716,595.22/x
  3. Step 3: Cross multiply
    1,289,567.08x = 1,779,589.74 × 716,595.22
  4. Step 4: Simplify right side
    1,289,567.08x = 1,275,245,501,245.04
  5. Step 5: Solve for x
    x = 1,275,245,501,245.04/1,289,567.08
  6. Step 6: Final answer
    x = 988,894.27

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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.