Home / 947,141.52-1,418,442.66-690,285.66

Finding the Fourth Proportional to 947,141.52, 1,418,442.66 and 690,285.66

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Solution

The fourth proportional to 947,141.52, 1,418,442.66 and 690,285.66 is: 1,033,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,141.52 : 1,418,442.66 = 690,285.66 : x
  2. Step 2: Convert to fraction form
    947,141.52/1,418,442.66 = 690,285.66/x
  3. Step 3: Cross multiply
    947,141.52x = 1,418,442.66 × 690,285.66
  4. Step 4: Simplify right side
    947,141.52x = 979,130,627,730.26
  5. Step 5: Solve for x
    x = 979,130,627,730.26/947,141.52
  6. Step 6: Final answer
    x = 1,033,774.37

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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.