Home / 1,555,614-2,146,748.76-840,222

Finding the Fourth Proportional to 1,555,614, 2,146,748.76 and 840,222

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Solution

The fourth proportional to 1,555,614, 2,146,748.76 and 840,222 is: 1,159,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,614 : 2,146,748.76 = 840,222 : x
  2. Step 2: Convert to fraction form
    1,555,614/2,146,748.76 = 840,222/x
  3. Step 3: Cross multiply
    1,555,614x = 2,146,748.76 × 840,222
  4. Step 4: Simplify right side
    1,555,614x = 1,803,745,536,624.72
  5. Step 5: Solve for x
    x = 1,803,745,536,624.72/1,555,614
  6. Step 6: Final answer
    x = 1,159,507.14

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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.