Home / 1,719,722.72-2,579,590.08-521,655.36

Finding the Fourth Proportional to 1,719,722.72, 2,579,590.08 and 521,655.36

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Solution

The fourth proportional to 1,719,722.72, 2,579,590.08 and 521,655.36 is: 782,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,722.72 : 2,579,590.08 = 521,655.36 : x
  2. Step 2: Convert to fraction form
    1,719,722.72/2,579,590.08 = 521,655.36/x
  3. Step 3: Cross multiply
    1,719,722.72x = 2,579,590.08 × 521,655.36
  4. Step 4: Simplify right side
    1,719,722.72x = 1,345,656,991,834.83
  5. Step 5: Solve for x
    x = 1,345,656,991,834.83/1,719,722.72
  6. Step 6: Final answer
    x = 782,484.86

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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.