Home / 1,312,268.85-1,968,403.28-750,906.45

Finding the Fourth Proportional to 1,312,268.85, 1,968,403.28 and 750,906.45

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Solution

The fourth proportional to 1,312,268.85, 1,968,403.28 and 750,906.45 is: 1,126,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,268.85 : 1,968,403.28 = 750,906.45 : x
  2. Step 2: Convert to fraction form
    1,312,268.85/1,968,403.28 = 750,906.45/x
  3. Step 3: Cross multiply
    1,312,268.85x = 1,968,403.28 × 750,906.45
  4. Step 4: Simplify right side
    1,312,268.85x = 1,478,086,715,398.62
  5. Step 5: Solve for x
    x = 1,478,086,715,398.62/1,312,268.85
  6. Step 6: Final answer
    x = 1,126,359.68

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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.