Home / 1,312,020.97-1,810,618.34-731,303.52

Finding the Fourth Proportional to 1,312,020.97, 1,810,618.34 and 731,303.52

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Solution

The fourth proportional to 1,312,020.97, 1,810,618.34 and 731,303.52 is: 1,009,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,020.97 : 1,810,618.34 = 731,303.52 : x
  2. Step 2: Convert to fraction form
    1,312,020.97/1,810,618.34 = 731,303.52/x
  3. Step 3: Cross multiply
    1,312,020.97x = 1,810,618.34 × 731,303.52
  4. Step 4: Simplify right side
    1,312,020.97x = 1,324,111,565,418.56
  5. Step 5: Solve for x
    x = 1,324,111,565,418.56/1,312,020.97
  6. Step 6: Final answer
    x = 1,009,215.25

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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.