Home / 1,613,081.25-2,421,303.32-715,153.57

Finding the Fourth Proportional to 1,613,081.25, 2,421,303.32 and 715,153.57

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Solution

The fourth proportional to 1,613,081.25, 2,421,303.32 and 715,153.57 is: 1,073,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,081.25 : 2,421,303.32 = 715,153.57 : x
  2. Step 2: Convert to fraction form
    1,613,081.25/2,421,303.32 = 715,153.57/x
  3. Step 3: Cross multiply
    1,613,081.25x = 2,421,303.32 × 715,153.57
  4. Step 4: Simplify right side
    1,613,081.25x = 1,731,603,709,085.48
  5. Step 5: Solve for x
    x = 1,731,603,709,085.48/1,613,081.25
  6. Step 6: Final answer
    x = 1,073,475.81

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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.