Home / 1,576,578.87-2,175,678.77-851,426.64

Finding the Fourth Proportional to 1,576,578.87, 2,175,678.77 and 851,426.64

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Solution

The fourth proportional to 1,576,578.87, 2,175,678.77 and 851,426.64 is: 1,174,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,578.87 : 2,175,678.77 = 851,426.64 : x
  2. Step 2: Convert to fraction form
    1,576,578.87/2,175,678.77 = 851,426.64/x
  3. Step 3: Cross multiply
    1,576,578.87x = 2,175,678.77 × 851,426.64
  4. Step 4: Simplify right side
    1,576,578.87x = 1,852,430,860,603.30
  5. Step 5: Solve for x
    x = 1,852,430,860,603.30/1,576,578.87
  6. Step 6: Final answer
    x = 1,174,968.72

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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.