Home / 1,390,617.42-2,082,397.77-1,165,385.58

Finding the Fourth Proportional to 1,390,617.42, 2,082,397.77 and 1,165,385.58

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Solution

The fourth proportional to 1,390,617.42, 2,082,397.77 and 1,165,385.58 is: 1,745,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,617.42 : 2,082,397.77 = 1,165,385.58 : x
  2. Step 2: Convert to fraction form
    1,390,617.42/2,082,397.77 = 1,165,385.58/x
  3. Step 3: Cross multiply
    1,390,617.42x = 2,082,397.77 × 1,165,385.58
  4. Step 4: Simplify right side
    1,390,617.42x = 2,426,796,332,982.16
  5. Step 5: Solve for x
    x = 2,426,796,332,982.16/1,390,617.42
  6. Step 6: Final answer
    x = 1,745,121.48

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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.