Home / 1,548,417.25-2,136,815.81-869,368.33

Finding the Fourth Proportional to 1,548,417.25, 2,136,815.81 and 869,368.33

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Solution

The fourth proportional to 1,548,417.25, 2,136,815.81 and 869,368.33 is: 1,199,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,417.25 : 2,136,815.81 = 869,368.33 : x
  2. Step 2: Convert to fraction form
    1,548,417.25/2,136,815.81 = 869,368.33/x
  3. Step 3: Cross multiply
    1,548,417.25x = 2,136,815.81 × 869,368.33
  4. Step 4: Simplify right side
    1,548,417.25x = 1,857,679,992,257.30
  5. Step 5: Solve for x
    x = 1,857,679,992,257.30/1,548,417.25
  6. Step 6: Final answer
    x = 1,199,728.30

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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.