Home / 1,190,284.34-1,642,591.95-646,420.29

Finding the Fourth Proportional to 1,190,284.34, 1,642,591.95 and 646,420.29

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Solution

The fourth proportional to 1,190,284.34, 1,642,591.95 and 646,420.29 is: 892,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,284.34 : 1,642,591.95 = 646,420.29 : x
  2. Step 2: Convert to fraction form
    1,190,284.34/1,642,591.95 = 646,420.29/x
  3. Step 3: Cross multiply
    1,190,284.34x = 1,642,591.95 × 646,420.29
  4. Step 4: Simplify right side
    1,190,284.34x = 1,061,804,764,670.67
  5. Step 5: Solve for x
    x = 1,061,804,764,670.67/1,190,284.34
  6. Step 6: Final answer
    x = 892,059.77

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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.