Home / 1,142,457.80-1,713,341.27-343,527.26

Finding the Fourth Proportional to 1,142,457.80, 1,713,341.27 and 343,527.26

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Solution

The fourth proportional to 1,142,457.80, 1,713,341.27 and 343,527.26 is: 515,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,457.80 : 1,713,341.27 = 343,527.26 : x
  2. Step 2: Convert to fraction form
    1,142,457.80/1,713,341.27 = 343,527.26/x
  3. Step 3: Cross multiply
    1,142,457.80x = 1,713,341.27 × 343,527.26
  4. Step 4: Simplify right side
    1,142,457.80x = 588,579,431,928.02
  5. Step 5: Solve for x
    x = 588,579,431,928.02/1,142,457.80
  6. Step 6: Final answer
    x = 515,187.02

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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.