Home / 1,533,576.60-2,116,344.42-889,378.92

Finding the Fourth Proportional to 1,533,576.60, 2,116,344.42 and 889,378.92

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Solution

The fourth proportional to 1,533,576.60, 2,116,344.42 and 889,378.92 is: 1,227,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,576.60 : 2,116,344.42 = 889,378.92 : x
  2. Step 2: Convert to fraction form
    1,533,576.60/2,116,344.42 = 889,378.92/x
  3. Step 3: Cross multiply
    1,533,576.60x = 2,116,344.42 × 889,378.92
  4. Step 4: Simplify right side
    1,533,576.60x = 1,882,232,114,607.63
  5. Step 5: Solve for x
    x = 1,882,232,114,607.63/1,533,576.60
  6. Step 6: Final answer
    x = 1,227,347.96

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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.