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Finding the Fourth Proportional to 1,339,895.36, 1,849,034.24 and 736,270.40

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Solution

The fourth proportional to 1,339,895.36, 1,849,034.24 and 736,270.40 is: 1,016,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,895.36 : 1,849,034.24 = 736,270.40 : x
  2. Step 2: Convert to fraction form
    1,339,895.36/1,849,034.24 = 736,270.40/x
  3. Step 3: Cross multiply
    1,339,895.36x = 1,849,034.24 × 736,270.40
  4. Step 4: Simplify right side
    1,339,895.36x = 1,361,389,179,498.50
  5. Step 5: Solve for x
    x = 1,361,389,179,498.50/1,339,895.36
  6. Step 6: Final answer
    x = 1,016,041.42

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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.