Home / 1,430,645.73-2,145,969.38-531,970.70

Finding the Fourth Proportional to 1,430,645.73, 2,145,969.38 and 531,970.70

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Solution

The fourth proportional to 1,430,645.73, 2,145,969.38 and 531,970.70 is: 797,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,645.73 : 2,145,969.38 = 531,970.70 : x
  2. Step 2: Convert to fraction form
    1,430,645.73/2,145,969.38 = 531,970.70/x
  3. Step 3: Cross multiply
    1,430,645.73x = 2,145,969.38 × 531,970.70
  4. Step 4: Simplify right side
    1,430,645.73x = 1,141,592,819,867.47
  5. Step 5: Solve for x
    x = 1,141,592,819,867.47/1,430,645.73
  6. Step 6: Final answer
    x = 797,956.33

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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.