Home / 1,488,384.96-2,230,009.68-814,950.96

Finding the Fourth Proportional to 1,488,384.96, 2,230,009.68 and 814,950.96

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Solution

The fourth proportional to 1,488,384.96, 2,230,009.68 and 814,950.96 is: 1,221,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,384.96 : 2,230,009.68 = 814,950.96 : x
  2. Step 2: Convert to fraction form
    1,488,384.96/2,230,009.68 = 814,950.96/x
  3. Step 3: Cross multiply
    1,488,384.96x = 2,230,009.68 × 814,950.96
  4. Step 4: Simplify right side
    1,488,384.96x = 1,817,348,529,525.29
  5. Step 5: Solve for x
    x = 1,817,348,529,525.29/1,488,384.96
  6. Step 6: Final answer
    x = 1,221,020.49

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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.