Home / 1,343,291.96-1,853,693.68-731,429.51

Finding the Fourth Proportional to 1,343,291.96, 1,853,693.68 and 731,429.51

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Solution

The fourth proportional to 1,343,291.96, 1,853,693.68 and 731,429.51 is: 1,009,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,291.96 : 1,853,693.68 = 731,429.51 : x
  2. Step 2: Convert to fraction form
    1,343,291.96/1,853,693.68 = 731,429.51/x
  3. Step 3: Cross multiply
    1,343,291.96x = 1,853,693.68 × 731,429.51
  4. Step 4: Simplify right side
    1,343,291.96x = 1,355,846,254,990.79
  5. Step 5: Solve for x
    x = 1,355,846,254,990.79/1,343,291.96
  6. Step 6: Final answer
    x = 1,009,345.91

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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.