Home / 1,996,173.18-2,995,117.56-648,748.71

Finding the Fourth Proportional to 1,996,173.18, 2,995,117.56 and 648,748.71

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Solution

The fourth proportional to 1,996,173.18, 2,995,117.56 and 648,748.71 is: 973,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,173.18 : 2,995,117.56 = 648,748.71 : x
  2. Step 2: Convert to fraction form
    1,996,173.18/2,995,117.56 = 648,748.71/x
  3. Step 3: Cross multiply
    1,996,173.18x = 2,995,117.56 × 648,748.71
  4. Step 4: Simplify right side
    1,996,173.18x = 1,943,078,653,348.35
  5. Step 5: Solve for x
    x = 1,943,078,653,348.35/1,996,173.18
  6. Step 6: Final answer
    x = 973,401.84

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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.