Home / 1,369,979.12-2,054,926.13-650,838.38

Finding the Fourth Proportional to 1,369,979.12, 2,054,926.13 and 650,838.38

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Solution

The fourth proportional to 1,369,979.12, 2,054,926.13 and 650,838.38 is: 976,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,979.12 : 2,054,926.13 = 650,838.38 : x
  2. Step 2: Convert to fraction form
    1,369,979.12/2,054,926.13 = 650,838.38/x
  3. Step 3: Cross multiply
    1,369,979.12x = 2,054,926.13 × 650,838.38
  4. Step 4: Simplify right side
    1,369,979.12x = 1,337,424,779,940.05
  5. Step 5: Solve for x
    x = 1,337,424,779,940.05/1,369,979.12
  6. Step 6: Final answer
    x = 976,237.34

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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.