Home / 1,408,180.80-2,112,271.20-410,779.20

Finding the Fourth Proportional to 1,408,180.80, 2,112,271.20 and 410,779.20

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Solution

The fourth proportional to 1,408,180.80, 2,112,271.20 and 410,779.20 is: 616,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,180.80 : 2,112,271.20 = 410,779.20 : x
  2. Step 2: Convert to fraction form
    1,408,180.80/2,112,271.20 = 410,779.20/x
  3. Step 3: Cross multiply
    1,408,180.80x = 2,112,271.20 × 410,779.20
  4. Step 4: Simplify right side
    1,408,180.80x = 867,677,073,719.04
  5. Step 5: Solve for x
    x = 867,677,073,719.04/1,408,180.80
  6. Step 6: Final answer
    x = 616,168.80

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1.5x scale

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.