Home / 1,305,881.23-1,802,116.10-732,921.40

Finding the Fourth Proportional to 1,305,881.23, 1,802,116.10 and 732,921.40

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Solution

The fourth proportional to 1,305,881.23, 1,802,116.10 and 732,921.40 is: 1,011,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,881.23 : 1,802,116.10 = 732,921.40 : x
  2. Step 2: Convert to fraction form
    1,305,881.23/1,802,116.10 = 732,921.40/x
  3. Step 3: Cross multiply
    1,305,881.23x = 1,802,116.10 × 732,921.40
  4. Step 4: Simplify right side
    1,305,881.23x = 1,320,809,455,567.31
  5. Step 5: Solve for x
    x = 1,320,809,455,567.31/1,305,881.23
  6. Step 6: Final answer
    x = 1,011,431.53

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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.