Home / 1,190,822.40-1,788,307.20-630,950.40

Finding the Fourth Proportional to 1,190,822.40, 1,788,307.20 and 630,950.40

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Solution

The fourth proportional to 1,190,822.40, 1,788,307.20 and 630,950.40 is: 947,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,822.40 : 1,788,307.20 = 630,950.40 : x
  2. Step 2: Convert to fraction form
    1,190,822.40/1,788,307.20 = 630,950.40/x
  3. Step 3: Cross multiply
    1,190,822.40x = 1,788,307.20 × 630,950.40
  4. Step 4: Simplify right side
    1,190,822.40x = 1,128,333,143,162.88
  5. Step 5: Solve for x
    x = 1,128,333,143,162.88/1,190,822.40
  6. Step 6: Final answer
    x = 947,524.29

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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.