Home / 1,432,555.71-2,148,094.09-421,546.28

Finding the Fourth Proportional to 1,432,555.71, 2,148,094.09 and 421,546.28

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Solution

The fourth proportional to 1,432,555.71, 2,148,094.09 and 421,546.28 is: 632,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,555.71 : 2,148,094.09 = 421,546.28 : x
  2. Step 2: Convert to fraction form
    1,432,555.71/2,148,094.09 = 421,546.28/x
  3. Step 3: Cross multiply
    1,432,555.71x = 2,148,094.09 × 421,546.28
  4. Step 4: Simplify right side
    1,432,555.71x = 905,521,072,729.49
  5. Step 5: Solve for x
    x = 905,521,072,729.49/1,432,555.71
  6. Step 6: Final answer
    x = 632,101.82

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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.