Home / 1,306,501.73-1,802,911.45-725,762.50

Finding the Fourth Proportional to 1,306,501.73, 1,802,911.45 and 725,762.50

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Solution

The fourth proportional to 1,306,501.73, 1,802,911.45 and 725,762.50 is: 1,001,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,501.73 : 1,802,911.45 = 725,762.50 : x
  2. Step 2: Convert to fraction form
    1,306,501.73/1,802,911.45 = 725,762.50/x
  3. Step 3: Cross multiply
    1,306,501.73x = 1,802,911.45 × 725,762.50
  4. Step 4: Simplify right side
    1,306,501.73x = 1,308,485,521,230.63
  5. Step 5: Solve for x
    x = 1,308,485,521,230.63/1,306,501.73
  6. Step 6: Final answer
    x = 1,001,518.40

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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.