Home / 1,413,999.70-2,125,428.23-1,387,427.65

Finding the Fourth Proportional to 1,413,999.70, 2,125,428.23 and 1,387,427.65

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Solution

The fourth proportional to 1,413,999.70, 2,125,428.23 and 1,387,427.65 is: 2,085,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,999.70 : 2,125,428.23 = 1,387,427.65 : x
  2. Step 2: Convert to fraction form
    1,413,999.70/2,125,428.23 = 1,387,427.65/x
  3. Step 3: Cross multiply
    1,413,999.70x = 2,125,428.23 × 1,387,427.65
  4. Step 4: Simplify right side
    1,413,999.70x = 2,948,877,887,455.42
  5. Step 5: Solve for x
    x = 2,948,877,887,455.42/1,413,999.70
  6. Step 6: Final answer
    x = 2,085,486.93

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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.