Home / 1,520,749.49-2,098,491.84-908,780.45

Finding the Fourth Proportional to 1,520,749.49, 2,098,491.84 and 908,780.45

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Solution

The fourth proportional to 1,520,749.49, 2,098,491.84 and 908,780.45 is: 1,254,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,749.49 : 2,098,491.84 = 908,780.45 : x
  2. Step 2: Convert to fraction form
    1,520,749.49/2,098,491.84 = 908,780.45/x
  3. Step 3: Cross multiply
    1,520,749.49x = 2,098,491.84 × 908,780.45
  4. Step 4: Simplify right side
    1,520,749.49x = 1,907,068,348,184.07
  5. Step 5: Solve for x
    x = 1,907,068,348,184.07/1,520,749.49
  6. Step 6: Final answer
    x = 1,254,031.89

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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.