Home / 1,168,844.80-1,753,267.20-745,830.40

Finding the Fourth Proportional to 1,168,844.80, 1,753,267.20 and 745,830.40

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Solution

The fourth proportional to 1,168,844.80, 1,753,267.20 and 745,830.40 is: 1,118,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,844.80 : 1,753,267.20 = 745,830.40 : x
  2. Step 2: Convert to fraction form
    1,168,844.80/1,753,267.20 = 745,830.40/x
  3. Step 3: Cross multiply
    1,168,844.80x = 1,753,267.20 × 745,830.40
  4. Step 4: Simplify right side
    1,168,844.80x = 1,307,639,977,082.88
  5. Step 5: Solve for x
    x = 1,307,639,977,082.88/1,168,844.80
  6. Step 6: Final answer
    x = 1,118,745.60

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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.