Home / 1,037,128.40-1,553,849.40-889,672.40

Finding the Fourth Proportional to 1,037,128.40, 1,553,849.40 and 889,672.40

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Solution

The fourth proportional to 1,037,128.40, 1,553,849.40 and 889,672.40 is: 1,332,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,128.40 : 1,553,849.40 = 889,672.40 : x
  2. Step 2: Convert to fraction form
    1,037,128.40/1,553,849.40 = 889,672.40/x
  3. Step 3: Cross multiply
    1,037,128.40x = 1,553,849.40 × 889,672.40
  4. Step 4: Simplify right side
    1,037,128.40x = 1,382,416,924,936.56
  5. Step 5: Solve for x
    x = 1,382,416,924,936.56/1,037,128.40
  6. Step 6: Final answer
    x = 1,332,927.46

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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.