Home / 1,208,703.32-1,808,582.16-729,208.85

Finding the Fourth Proportional to 1,208,703.32, 1,808,582.16 and 729,208.85

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Solution

The fourth proportional to 1,208,703.32, 1,808,582.16 and 729,208.85 is: 1,091,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,703.32 : 1,808,582.16 = 729,208.85 : x
  2. Step 2: Convert to fraction form
    1,208,703.32/1,808,582.16 = 729,208.85/x
  3. Step 3: Cross multiply
    1,208,703.32x = 1,808,582.16 × 729,208.85
  4. Step 4: Simplify right side
    1,208,703.32x = 1,318,834,117,024.12
  5. Step 5: Solve for x
    x = 1,318,834,117,024.12/1,208,703.32
  6. Step 6: Final answer
    x = 1,091,114.83

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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.