Home / 1,842,475.45-2,763,971.17-644,125.20

Finding the Fourth Proportional to 1,842,475.45, 2,763,971.17 and 644,125.20

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Solution

The fourth proportional to 1,842,475.45, 2,763,971.17 and 644,125.20 is: 966,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,475.45 : 2,763,971.17 = 644,125.20 : x
  2. Step 2: Convert to fraction form
    1,842,475.45/2,763,971.17 = 644,125.20/x
  3. Step 3: Cross multiply
    1,842,475.45x = 2,763,971.17 × 644,125.20
  4. Step 4: Simplify right side
    1,842,475.45x = 1,780,343,482,670.48
  5. Step 5: Solve for x
    x = 1,780,343,482,670.48/1,842,475.45
  6. Step 6: Final answer
    x = 966,277.99

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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.