Home / 1,312,028.36-1,968,309.54-502,355.40

Finding the Fourth Proportional to 1,312,028.36, 1,968,309.54 and 502,355.40

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Solution

The fourth proportional to 1,312,028.36, 1,968,309.54 and 502,355.40 is: 753,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,028.36 : 1,968,309.54 = 502,355.40 : x
  2. Step 2: Convert to fraction form
    1,312,028.36/1,968,309.54 = 502,355.40/x
  3. Step 3: Cross multiply
    1,312,028.36x = 1,968,309.54 × 502,355.40
  4. Step 4: Simplify right side
    1,312,028.36x = 988,790,926,290.52
  5. Step 5: Solve for x
    x = 988,790,926,290.52/1,312,028.36
  6. Step 6: Final answer
    x = 753,635.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.