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Finding the Fourth Proportional to 1,300,635, 1,794,270 and 841,897.20

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Solution

The fourth proportional to 1,300,635, 1,794,270 and 841,897.20 is: 1,161,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,635 : 1,794,270 = 841,897.20 : x
  2. Step 2: Convert to fraction form
    1,300,635/1,794,270 = 841,897.20/x
  3. Step 3: Cross multiply
    1,300,635x = 1,794,270 × 841,897.20
  4. Step 4: Simplify right side
    1,300,635x = 1,510,590,889,044
  5. Step 5: Solve for x
    x = 1,510,590,889,044/1,300,635
  6. Step 6: Final answer
    x = 1,161,425.68

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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.