Home / 1,305,762.58-1,802,008.62-724,985.71

Finding the Fourth Proportional to 1,305,762.58, 1,802,008.62 and 724,985.71

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Solution

The fourth proportional to 1,305,762.58, 1,802,008.62 and 724,985.71 is: 1,000,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,762.58 : 1,802,008.62 = 724,985.71 : x
  2. Step 2: Convert to fraction form
    1,305,762.58/1,802,008.62 = 724,985.71/x
  3. Step 3: Cross multiply
    1,305,762.58x = 1,802,008.62 × 724,985.71
  4. Step 4: Simplify right side
    1,305,762.58x = 1,306,430,498,796.82
  5. Step 5: Solve for x
    x = 1,306,430,498,796.82/1,305,762.58
  6. Step 6: Final answer
    x = 1,000,511.52

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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.