Home / 1,613,235.87-2,421,349.47-815,079.69

Finding the Fourth Proportional to 1,613,235.87, 2,421,349.47 and 815,079.69

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Solution

The fourth proportional to 1,613,235.87, 2,421,349.47 and 815,079.69 is: 1,223,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,235.87 : 2,421,349.47 = 815,079.69 : x
  2. Step 2: Convert to fraction form
    1,613,235.87/2,421,349.47 = 815,079.69/x
  3. Step 3: Cross multiply
    1,613,235.87x = 2,421,349.47 × 815,079.69
  4. Step 4: Simplify right side
    1,613,235.87x = 1,973,592,775,389.26
  5. Step 5: Solve for x
    x = 1,973,592,775,389.26/1,613,235.87
  6. Step 6: Final answer
    x = 1,223,375.21

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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.