Home / 1,167,141.39-1,611,983.72-784,503.87

Finding the Fourth Proportional to 1,167,141.39, 1,611,983.72 and 784,503.87

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Solution

The fourth proportional to 1,167,141.39, 1,611,983.72 and 784,503.87 is: 1,083,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,141.39 : 1,611,983.72 = 784,503.87 : x
  2. Step 2: Convert to fraction form
    1,167,141.39/1,611,983.72 = 784,503.87/x
  3. Step 3: Cross multiply
    1,167,141.39x = 1,611,983.72 × 784,503.87
  4. Step 4: Simplify right side
    1,167,141.39x = 1,264,607,466,717.00
  5. Step 5: Solve for x
    x = 1,264,607,466,717.00/1,167,141.39
  6. Step 6: Final answer
    x = 1,083,508.37

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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.