Home / 1,148,465.34-1,584,882.16-639,288

Finding the Fourth Proportional to 1,148,465.34, 1,584,882.16 and 639,288

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Solution

The fourth proportional to 1,148,465.34, 1,584,882.16 and 639,288 is: 882,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,465.34 : 1,584,882.16 = 639,288 : x
  2. Step 2: Convert to fraction form
    1,148,465.34/1,584,882.16 = 639,288/x
  3. Step 3: Cross multiply
    1,148,465.34x = 1,584,882.16 × 639,288
  4. Step 4: Simplify right side
    1,148,465.34x = 1,013,196,146,302.08
  5. Step 5: Solve for x
    x = 1,013,196,146,302.08/1,148,465.34
  6. Step 6: Final answer
    x = 882,217.43

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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.