Home / 947,622.42-1,427,827.10-782,834.40

Finding the Fourth Proportional to 947,622.42, 1,427,827.10 and 782,834.40

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Solution

The fourth proportional to 947,622.42, 1,427,827.10 and 782,834.40 is: 1,179,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,622.42 : 1,427,827.10 = 782,834.40 : x
  2. Step 2: Convert to fraction form
    947,622.42/1,427,827.10 = 782,834.40/x
  3. Step 3: Cross multiply
    947,622.42x = 1,427,827.10 × 782,834.40
  4. Step 4: Simplify right side
    947,622.42x = 1,117,752,171,132.24
  5. Step 5: Solve for x
    x = 1,117,752,171,132.24/947,622.42
  6. Step 6: Final answer
    x = 1,179,533.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.