Home / 1,343,013.66-1,853,370.04-731,170.64

Finding the Fourth Proportional to 1,343,013.66, 1,853,370.04 and 731,170.64

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Solution

The fourth proportional to 1,343,013.66, 1,853,370.04 and 731,170.64 is: 1,009,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,013.66 : 1,853,370.04 = 731,170.64 : x
  2. Step 2: Convert to fraction form
    1,343,013.66/1,853,370.04 = 731,170.64/x
  3. Step 3: Cross multiply
    1,343,013.66x = 1,853,370.04 × 731,170.64
  4. Step 4: Simplify right side
    1,343,013.66x = 1,355,129,758,303.63
  5. Step 5: Solve for x
    x = 1,355,129,758,303.63/1,343,013.66
  6. Step 6: Final answer
    x = 1,009,021.57

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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.