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Finding the Fourth Proportional to 1,382,934, 1,908,448.92 and 747,030

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Solution

The fourth proportional to 1,382,934, 1,908,448.92 and 747,030 is: 1,030,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,934 : 1,908,448.92 = 747,030 : x
  2. Step 2: Convert to fraction form
    1,382,934/1,908,448.92 = 747,030/x
  3. Step 3: Cross multiply
    1,382,934x = 1,908,448.92 × 747,030
  4. Step 4: Simplify right side
    1,382,934x = 1,425,668,596,707.60
  5. Step 5: Solve for x
    x = 1,425,668,596,707.60/1,382,934
  6. Step 6: Final answer
    x = 1,030,901.40

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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.