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Finding the Fourth Proportional to 1,797,973.20, 2,696,959.80 and 732,466.80

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Solution

The fourth proportional to 1,797,973.20, 2,696,959.80 and 732,466.80 is: 1,098,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,973.20 : 2,696,959.80 = 732,466.80 : x
  2. Step 2: Convert to fraction form
    1,797,973.20/2,696,959.80 = 732,466.80/x
  3. Step 3: Cross multiply
    1,797,973.20x = 2,696,959.80 × 732,466.80
  4. Step 4: Simplify right side
    1,797,973.20x = 1,975,433,514,434.64
  5. Step 5: Solve for x
    x = 1,975,433,514,434.64/1,797,973.20
  6. Step 6: Final answer
    x = 1,098,700.20

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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.