Home / 1,426,987.80-1,967,773.14-997,111.08

Finding the Fourth Proportional to 1,426,987.80, 1,967,773.14 and 997,111.08

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Solution

The fourth proportional to 1,426,987.80, 1,967,773.14 and 997,111.08 is: 1,374,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,987.80 : 1,967,773.14 = 997,111.08 : x
  2. Step 2: Convert to fraction form
    1,426,987.80/1,967,773.14 = 997,111.08/x
  3. Step 3: Cross multiply
    1,426,987.80x = 1,967,773.14 × 997,111.08
  4. Step 4: Simplify right side
    1,426,987.80x = 1,962,088,400,820.39
  5. Step 5: Solve for x
    x = 1,962,088,400,820.39/1,426,987.80
  6. Step 6: Final answer
    x = 1,374,986.11

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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.