Home / 1,220,579.48-1,827,277.63-814,765.13

Finding the Fourth Proportional to 1,220,579.48, 1,827,277.63 and 814,765.13

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Solution

The fourth proportional to 1,220,579.48, 1,827,277.63 and 814,765.13 is: 1,219,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,579.48 : 1,827,277.63 = 814,765.13 : x
  2. Step 2: Convert to fraction form
    1,220,579.48/1,827,277.63 = 814,765.13/x
  3. Step 3: Cross multiply
    1,220,579.48x = 1,827,277.63 × 814,765.13
  4. Step 4: Simplify right side
    1,220,579.48x = 1,488,802,087,635.11
  5. Step 5: Solve for x
    x = 1,488,802,087,635.11/1,220,579.48
  6. Step 6: Final answer
    x = 1,219,750.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.