Home / 1,630,401.84-2,445,913.40-657,843.28

Finding the Fourth Proportional to 1,630,401.84, 2,445,913.40 and 657,843.28

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Solution

The fourth proportional to 1,630,401.84, 2,445,913.40 and 657,843.28 is: 986,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,401.84 : 2,445,913.40 = 657,843.28 : x
  2. Step 2: Convert to fraction form
    1,630,401.84/2,445,913.40 = 657,843.28/x
  3. Step 3: Cross multiply
    1,630,401.84x = 2,445,913.40 × 657,843.28
  4. Step 4: Simplify right side
    1,630,401.84x = 1,609,027,693,651.95
  5. Step 5: Solve for x
    x = 1,609,027,693,651.95/1,630,401.84
  6. Step 6: Final answer
    x = 986,890.26

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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.