Home / 1,012,374.62-1,397,354.20-630,174.50

Finding the Fourth Proportional to 1,012,374.62, 1,397,354.20 and 630,174.50

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Solution

The fourth proportional to 1,012,374.62, 1,397,354.20 and 630,174.50 is: 869,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,374.62 : 1,397,354.20 = 630,174.50 : x
  2. Step 2: Convert to fraction form
    1,012,374.62/1,397,354.20 = 630,174.50/x
  3. Step 3: Cross multiply
    1,012,374.62x = 1,397,354.20 × 630,174.50
  4. Step 4: Simplify right side
    1,012,374.62x = 880,576,984,307.90
  5. Step 5: Solve for x
    x = 880,576,984,307.90/1,012,374.62
  6. Step 6: Final answer
    x = 869,813.37

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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.