Home / 1,239,939.54-1,710,676.35-810,467.46

Finding the Fourth Proportional to 1,239,939.54, 1,710,676.35 and 810,467.46

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Solution

The fourth proportional to 1,239,939.54, 1,710,676.35 and 810,467.46 is: 1,118,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,939.54 : 1,710,676.35 = 810,467.46 : x
  2. Step 2: Convert to fraction form
    1,239,939.54/1,710,676.35 = 810,467.46/x
  3. Step 3: Cross multiply
    1,239,939.54x = 1,710,676.35 × 810,467.46
  4. Step 4: Simplify right side
    1,239,939.54x = 1,386,447,516,266.57
  5. Step 5: Solve for x
    x = 1,386,447,516,266.57/1,239,939.54
  6. Step 6: Final answer
    x = 1,118,157.35

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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.