Home / 1,148,483.74-1,584,880.60-639,175.18

Finding the Fourth Proportional to 1,148,483.74, 1,584,880.60 and 639,175.18

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Solution

The fourth proportional to 1,148,483.74, 1,584,880.60 and 639,175.18 is: 882,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,483.74 : 1,584,880.60 = 639,175.18 : x
  2. Step 2: Convert to fraction form
    1,148,483.74/1,584,880.60 = 639,175.18/x
  3. Step 3: Cross multiply
    1,148,483.74x = 1,584,880.60 × 639,175.18
  4. Step 4: Simplify right side
    1,148,483.74x = 1,013,016,333,261.17
  5. Step 5: Solve for x
    x = 1,013,016,333,261.17/1,148,483.74
  6. Step 6: Final answer
    x = 882,046.74

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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.