Home / 1,386,300.54-2,079,649.18-426,837.33

Finding the Fourth Proportional to 1,386,300.54, 2,079,649.18 and 426,837.33

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Solution

The fourth proportional to 1,386,300.54, 2,079,649.18 and 426,837.33 is: 640,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,300.54 : 2,079,649.18 = 426,837.33 : x
  2. Step 2: Convert to fraction form
    1,386,300.54/2,079,649.18 = 426,837.33/x
  3. Step 3: Cross multiply
    1,386,300.54x = 2,079,649.18 × 426,837.33
  4. Step 4: Simplify right side
    1,386,300.54x = 887,671,903,861.44
  5. Step 5: Solve for x
    x = 887,671,903,861.44/1,386,300.54
  6. Step 6: Final answer
    x = 640,317.07

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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.