Home / 992,428.85-1,369,860.18-788,841.02

Finding the Fourth Proportional to 992,428.85, 1,369,860.18 and 788,841.02

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Solution

The fourth proportional to 992,428.85, 1,369,860.18 and 788,841.02 is: 1,088,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,428.85 : 1,369,860.18 = 788,841.02 : x
  2. Step 2: Convert to fraction form
    992,428.85/1,369,860.18 = 788,841.02/x
  3. Step 3: Cross multiply
    992,428.85x = 1,369,860.18 × 788,841.02
  4. Step 4: Simplify right side
    992,428.85x = 1,080,601,901,648.58
  5. Step 5: Solve for x
    x = 1,080,601,901,648.58/992,428.85
  6. Step 6: Final answer
    x = 1,088,845.72

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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.