Home / 1,432,728-1,977,035.04-788,175.36

Finding the Fourth Proportional to 1,432,728, 1,977,035.04 and 788,175.36

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Solution

The fourth proportional to 1,432,728, 1,977,035.04 and 788,175.36 is: 1,087,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,728 : 1,977,035.04 = 788,175.36 : x
  2. Step 2: Convert to fraction form
    1,432,728/1,977,035.04 = 788,175.36/x
  3. Step 3: Cross multiply
    1,432,728x = 1,977,035.04 × 788,175.36
  4. Step 4: Simplify right side
    1,432,728x = 1,558,250,304,384.61
  5. Step 5: Solve for x
    x = 1,558,250,304,384.61/1,432,728
  6. Step 6: Final answer
    x = 1,087,610.70

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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.