Home / 1,145,290.10-1,718,129.55-346,565.30

Finding the Fourth Proportional to 1,145,290.10, 1,718,129.55 and 346,565.30

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Solution

The fourth proportional to 1,145,290.10, 1,718,129.55 and 346,565.30 is: 519,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,290.10 : 1,718,129.55 = 346,565.30 : x
  2. Step 2: Convert to fraction form
    1,145,290.10/1,718,129.55 = 346,565.30/x
  3. Step 3: Cross multiply
    1,145,290.10x = 1,718,129.55 × 346,565.30
  4. Step 4: Simplify right side
    1,145,290.10x = 595,444,082,934.62
  5. Step 5: Solve for x
    x = 595,444,082,934.62/1,145,290.10
  6. Step 6: Final answer
    x = 519,906.78

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Double scale
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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.