Home / 1,159,102.23-1,599,537.24-642,772.80

Finding the Fourth Proportional to 1,159,102.23, 1,599,537.24 and 642,772.80

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Solution

The fourth proportional to 1,159,102.23, 1,599,537.24 and 642,772.80 is: 887,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,102.23 : 1,599,537.24 = 642,772.80 : x
  2. Step 2: Convert to fraction form
    1,159,102.23/1,599,537.24 = 642,772.80/x
  3. Step 3: Cross multiply
    1,159,102.23x = 1,599,537.24 × 642,772.80
  4. Step 4: Simplify right side
    1,159,102.23x = 1,028,139,029,457.74
  5. Step 5: Solve for x
    x = 1,028,139,029,457.74/1,159,102.23
  6. Step 6: Final answer
    x = 887,013.25

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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.