Home / 1,432,940.48-1,977,457.77-788,346.84

Finding the Fourth Proportional to 1,432,940.48, 1,977,457.77 and 788,346.84

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Solution

The fourth proportional to 1,432,940.48, 1,977,457.77 and 788,346.84 is: 1,087,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,940.48 : 1,977,457.77 = 788,346.84 : x
  2. Step 2: Convert to fraction form
    1,432,940.48/1,977,457.77 = 788,346.84/x
  3. Step 3: Cross multiply
    1,432,940.48x = 1,977,457.77 × 788,346.84
  4. Step 4: Simplify right side
    1,432,940.48x = 1,558,922,584,212.95
  5. Step 5: Solve for x
    x = 1,558,922,584,212.95/1,432,940.48
  6. Step 6: Final answer
    x = 1,087,918.59

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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.