Home / 1,408,801.80-2,109,470.16-742,554.12

Finding the Fourth Proportional to 1,408,801.80, 2,109,470.16 and 742,554.12

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Solution

The fourth proportional to 1,408,801.80, 2,109,470.16 and 742,554.12 is: 1,111,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,801.80 : 2,109,470.16 = 742,554.12 : x
  2. Step 2: Convert to fraction form
    1,408,801.80/2,109,470.16 = 742,554.12/x
  3. Step 3: Cross multiply
    1,408,801.80x = 2,109,470.16 × 742,554.12
  4. Step 4: Simplify right side
    1,408,801.80x = 1,566,395,758,325.06
  5. Step 5: Solve for x
    x = 1,566,395,758,325.06/1,408,801.80
  6. Step 6: Final answer
    x = 1,111,863.83

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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.