Home / 1,432,785.69-1,977,166.26-788,101.83

Finding the Fourth Proportional to 1,432,785.69, 1,977,166.26 and 788,101.83

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Solution

The fourth proportional to 1,432,785.69, 1,977,166.26 and 788,101.83 is: 1,087,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,785.69 : 1,977,166.26 = 788,101.83 : x
  2. Step 2: Convert to fraction form
    1,432,785.69/1,977,166.26 = 788,101.83/x
  3. Step 3: Cross multiply
    1,432,785.69x = 1,977,166.26 × 788,101.83
  4. Step 4: Simplify right side
    1,432,785.69x = 1,558,208,347,720.26
  5. Step 5: Solve for x
    x = 1,558,208,347,720.26/1,432,785.69
  6. Step 6: Final answer
    x = 1,087,537.63

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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.