Home / 1,531,590.15-2,114,248.59-1,090,349.57

Finding the Fourth Proportional to 1,531,590.15, 2,114,248.59 and 1,090,349.57

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Solution

The fourth proportional to 1,531,590.15, 2,114,248.59 and 1,090,349.57 is: 1,505,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,590.15 : 2,114,248.59 = 1,090,349.57 : x
  2. Step 2: Convert to fraction form
    1,531,590.15/2,114,248.59 = 1,090,349.57/x
  3. Step 3: Cross multiply
    1,531,590.15x = 2,114,248.59 × 1,090,349.57
  4. Step 4: Simplify right side
    1,531,590.15x = 2,305,270,040,979.61
  5. Step 5: Solve for x
    x = 2,305,270,040,979.61/1,531,590.15
  6. Step 6: Final answer
    x = 1,505,148.12

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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.