Home / 1,411,705.48-2,116,367.67-612,384.88

Finding the Fourth Proportional to 1,411,705.48, 2,116,367.67 and 612,384.88

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Solution

The fourth proportional to 1,411,705.48, 2,116,367.67 and 612,384.88 is: 918,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,705.48 : 2,116,367.67 = 612,384.88 : x
  2. Step 2: Convert to fraction form
    1,411,705.48/2,116,367.67 = 612,384.88/x
  3. Step 3: Cross multiply
    1,411,705.48x = 2,116,367.67 × 612,384.88
  4. Step 4: Simplify right side
    1,411,705.48x = 1,296,031,561,628.83
  5. Step 5: Solve for x
    x = 1,296,031,561,628.83/1,411,705.48
  6. Step 6: Final answer
    x = 918,060.87

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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.