Home / 1,396,715.51-2,094,215.85-542,790.10

Finding the Fourth Proportional to 1,396,715.51, 2,094,215.85 and 542,790.10

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Solution

The fourth proportional to 1,396,715.51, 2,094,215.85 and 542,790.10 is: 813,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,715.51 : 2,094,215.85 = 542,790.10 : x
  2. Step 2: Convert to fraction form
    1,396,715.51/2,094,215.85 = 542,790.10/x
  3. Step 3: Cross multiply
    1,396,715.51x = 2,094,215.85 × 542,790.10
  4. Step 4: Simplify right side
    1,396,715.51x = 1,136,719,626,764.52
  5. Step 5: Solve for x
    x = 1,136,719,626,764.52/1,396,715.51
  6. Step 6: Final answer
    x = 813,851.94

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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.