Home / 1,305,880.38-1,802,114.93-732,920.55

Finding the Fourth Proportional to 1,305,880.38, 1,802,114.93 and 732,920.55

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Solution

The fourth proportional to 1,305,880.38, 1,802,114.93 and 732,920.55 is: 1,011,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,880.38 : 1,802,114.93 = 732,920.55 : x
  2. Step 2: Convert to fraction form
    1,305,880.38/1,802,114.93 = 732,920.55/x
  3. Step 3: Cross multiply
    1,305,880.38x = 1,802,114.93 × 732,920.55
  4. Step 4: Simplify right side
    1,305,880.38x = 1,320,807,061,994.21
  5. Step 5: Solve for x
    x = 1,320,807,061,994.21/1,305,880.38
  6. Step 6: Final answer
    x = 1,011,430.36

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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.