Home / 1,220,362.81-1,830,563.24-462,000.71

Finding the Fourth Proportional to 1,220,362.81, 1,830,563.24 and 462,000.71

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Solution

The fourth proportional to 1,220,362.81, 1,830,563.24 and 462,000.71 is: 693,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,362.81 : 1,830,563.24 = 462,000.71 : x
  2. Step 2: Convert to fraction form
    1,220,362.81/1,830,563.24 = 462,000.71/x
  3. Step 3: Cross multiply
    1,220,362.81x = 1,830,563.24 × 462,000.71
  4. Step 4: Simplify right side
    1,220,362.81x = 845,721,516,579.90
  5. Step 5: Solve for x
    x = 845,721,516,579.90/1,220,362.81
  6. Step 6: Final answer
    x = 693,008.27

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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.