Home / 1,188,627.56-1,781,364.16-647,495.63

Finding the Fourth Proportional to 1,188,627.56, 1,781,364.16 and 647,495.63

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Solution

The fourth proportional to 1,188,627.56, 1,781,364.16 and 647,495.63 is: 970,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,627.56 : 1,781,364.16 = 647,495.63 : x
  2. Step 2: Convert to fraction form
    1,188,627.56/1,781,364.16 = 647,495.63/x
  3. Step 3: Cross multiply
    1,188,627.56x = 1,781,364.16 × 647,495.63
  4. Step 4: Simplify right side
    1,188,627.56x = 1,153,425,509,038.62
  5. Step 5: Solve for x
    x = 1,153,425,509,038.62/1,188,627.56
  6. Step 6: Final answer
    x = 970,384.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.