Home / 1,408,335.39-2,111,972.74-509,554.94

Finding the Fourth Proportional to 1,408,335.39, 2,111,972.74 and 509,554.94

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Solution

The fourth proportional to 1,408,335.39, 2,111,972.74 and 509,554.94 is: 764,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,335.39 : 2,111,972.74 = 509,554.94 : x
  2. Step 2: Convert to fraction form
    1,408,335.39/2,111,972.74 = 509,554.94/x
  3. Step 3: Cross multiply
    1,408,335.39x = 2,111,972.74 × 509,554.94
  4. Step 4: Simplify right side
    1,408,335.39x = 1,076,166,130,978.58
  5. Step 5: Solve for x
    x = 1,076,166,130,978.58/1,408,335.39
  6. Step 6: Final answer
    x = 764,140.52

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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.