Home / 1,146,658.11-1,582,389.21-630,420.80

Finding the Fourth Proportional to 1,146,658.11, 1,582,389.21 and 630,420.80

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Solution

The fourth proportional to 1,146,658.11, 1,582,389.21 and 630,420.80 is: 869,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,658.11 : 1,582,389.21 = 630,420.80 : x
  2. Step 2: Convert to fraction form
    1,146,658.11/1,582,389.21 = 630,420.80/x
  3. Step 3: Cross multiply
    1,146,658.11x = 1,582,389.21 × 630,420.80
  4. Step 4: Simplify right side
    1,146,658.11x = 997,571,063,767.62
  5. Step 5: Solve for x
    x = 997,571,063,767.62/1,146,658.11
  6. Step 6: Final answer
    x = 869,981.26

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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.