Home / 1,307,013.45-1,957,681.08-631,678.43

Finding the Fourth Proportional to 1,307,013.45, 1,957,681.08 and 631,678.43

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Solution

The fourth proportional to 1,307,013.45, 1,957,681.08 and 631,678.43 is: 946,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,013.45 : 1,957,681.08 = 631,678.43 : x
  2. Step 2: Convert to fraction form
    1,307,013.45/1,957,681.08 = 631,678.43/x
  3. Step 3: Cross multiply
    1,307,013.45x = 1,957,681.08 × 631,678.43
  4. Step 4: Simplify right side
    1,307,013.45x = 1,236,624,901,266.70
  5. Step 5: Solve for x
    x = 1,236,624,901,266.70/1,307,013.45
  6. Step 6: Final answer
    x = 946,145.51

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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.