Home / 1,432,636.78-2,148,969.72-435,364.78

Finding the Fourth Proportional to 1,432,636.78, 2,148,969.72 and 435,364.78

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Solution

The fourth proportional to 1,432,636.78, 2,148,969.72 and 435,364.78 is: 653,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,636.78 : 2,148,969.72 = 435,364.78 : x
  2. Step 2: Convert to fraction form
    1,432,636.78/2,148,969.72 = 435,364.78/x
  3. Step 3: Cross multiply
    1,432,636.78x = 2,148,969.72 × 435,364.78
  4. Step 4: Simplify right side
    1,432,636.78x = 935,585,729,374.46
  5. Step 5: Solve for x
    x = 935,585,729,374.46/1,432,636.78
  6. Step 6: Final answer
    x = 653,051.59

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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.