Home / 992,426.85-1,369,857.42-788,839.02

Finding the Fourth Proportional to 992,426.85, 1,369,857.42 and 788,839.02

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Solution

The fourth proportional to 992,426.85, 1,369,857.42 and 788,839.02 is: 1,088,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,426.85 : 1,369,857.42 = 788,839.02 : x
  2. Step 2: Convert to fraction form
    992,426.85/1,369,857.42 = 788,839.02/x
  3. Step 3: Cross multiply
    992,426.85x = 1,369,857.42 × 788,839.02
  4. Step 4: Simplify right side
    992,426.85x = 1,080,596,984,732.53
  5. Step 5: Solve for x
    x = 1,080,596,984,732.53/992,426.85
  6. Step 6: Final answer
    x = 1,088,842.96

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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.