Home / 992,913.20-1,489,369.80-965,265.20

Finding the Fourth Proportional to 992,913.20, 1,489,369.80 and 965,265.20

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Solution

The fourth proportional to 992,913.20, 1,489,369.80 and 965,265.20 is: 1,447,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,913.20 : 1,489,369.80 = 965,265.20 : x
  2. Step 2: Convert to fraction form
    992,913.20/1,489,369.80 = 965,265.20/x
  3. Step 3: Cross multiply
    992,913.20x = 1,489,369.80 × 965,265.20
  4. Step 4: Simplify right side
    992,913.20x = 1,437,636,837,870.96
  5. Step 5: Solve for x
    x = 1,437,636,837,870.96/992,913.20
  6. Step 6: Final answer
    x = 1,447,897.80

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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.