Home / 1,463,990.31-2,020,349.39-819,393.93

Finding the Fourth Proportional to 1,463,990.31, 2,020,349.39 and 819,393.93

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Solution

The fourth proportional to 1,463,990.31, 2,020,349.39 and 819,393.93 is: 1,130,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,990.31 : 2,020,349.39 = 819,393.93 : x
  2. Step 2: Convert to fraction form
    1,463,990.31/2,020,349.39 = 819,393.93/x
  3. Step 3: Cross multiply
    1,463,990.31x = 2,020,349.39 × 819,393.93
  4. Step 4: Simplify right side
    1,463,990.31x = 1,655,462,022,548.23
  5. Step 5: Solve for x
    x = 1,655,462,022,548.23/1,463,990.31
  6. Step 6: Final answer
    x = 1,130,787.55

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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.