Home / 1,129,018.99-1,557,337.51-669,808.44

Finding the Fourth Proportional to 1,129,018.99, 1,557,337.51 and 669,808.44

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Solution

The fourth proportional to 1,129,018.99, 1,557,337.51 and 669,808.44 is: 923,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,018.99 : 1,557,337.51 = 669,808.44 : x
  2. Step 2: Convert to fraction form
    1,129,018.99/1,557,337.51 = 669,808.44/x
  3. Step 3: Cross multiply
    1,129,018.99x = 1,557,337.51 × 669,808.44
  4. Step 4: Simplify right side
    1,129,018.99x = 1,043,117,817,417.70
  5. Step 5: Solve for x
    x = 1,043,117,817,417.70/1,129,018.99
  6. Step 6: Final answer
    x = 923,915.21

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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.