Home / 1,432,930.14-1,977,443.52-788,336.49

Finding the Fourth Proportional to 1,432,930.14, 1,977,443.52 and 788,336.49

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Solution

The fourth proportional to 1,432,930.14, 1,977,443.52 and 788,336.49 is: 1,087,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,930.14 : 1,977,443.52 = 788,336.49 : x
  2. Step 2: Convert to fraction form
    1,432,930.14/1,977,443.52 = 788,336.49/x
  3. Step 3: Cross multiply
    1,432,930.14x = 1,977,443.52 × 788,336.49
  4. Step 4: Simplify right side
    1,432,930.14x = 1,558,890,883,730.04
  5. Step 5: Solve for x
    x = 1,558,890,883,730.04/1,432,930.14
  6. Step 6: Final answer
    x = 1,087,904.32

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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.