Home / 1,347,117.03-1,857,235.10-1,116,804.87

Finding the Fourth Proportional to 1,347,117.03, 1,857,235.10 and 1,116,804.87

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Solution

The fourth proportional to 1,347,117.03, 1,857,235.10 and 1,116,804.87 is: 1,539,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,117.03 : 1,857,235.10 = 1,116,804.87 : x
  2. Step 2: Convert to fraction form
    1,347,117.03/1,857,235.10 = 1,116,804.87/x
  3. Step 3: Cross multiply
    1,347,117.03x = 1,857,235.10 × 1,116,804.87
  4. Step 4: Simplify right side
    1,347,117.03x = 2,074,169,198,830.91
  5. Step 5: Solve for x
    x = 2,074,169,198,830.91/1,347,117.03
  6. Step 6: Final answer
    x = 1,539,709.73

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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.