Home / 1,284,262.96-1,772,265-740,399.80

Finding the Fourth Proportional to 1,284,262.96, 1,772,265 and 740,399.80

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Solution

The fourth proportional to 1,284,262.96, 1,772,265 and 740,399.80 is: 1,021,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,262.96 : 1,772,265 = 740,399.80 : x
  2. Step 2: Convert to fraction form
    1,284,262.96/1,772,265 = 740,399.80/x
  3. Step 3: Cross multiply
    1,284,262.96x = 1,772,265 × 740,399.80
  4. Step 4: Simplify right side
    1,284,262.96x = 1,312,184,651,547
  5. Step 5: Solve for x
    x = 1,312,184,651,547/1,284,262.96
  6. Step 6: Final answer
    x = 1,021,741.41

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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.