Home / 1,148,461.83-1,584,877.33-639,284.49

Finding the Fourth Proportional to 1,148,461.83, 1,584,877.33 and 639,284.49

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Solution

The fourth proportional to 1,148,461.83, 1,584,877.33 and 639,284.49 is: 882,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,461.83 : 1,584,877.33 = 639,284.49 : x
  2. Step 2: Convert to fraction form
    1,148,461.83/1,584,877.33 = 639,284.49/x
  3. Step 3: Cross multiply
    1,148,461.83x = 1,584,877.33 × 639,284.49
  4. Step 4: Simplify right side
    1,148,461.83x = 1,013,187,495,621.61
  5. Step 5: Solve for x
    x = 1,013,187,495,621.61/1,148,461.83
  6. Step 6: Final answer
    x = 882,212.60

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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.