Home / 1,038,043.20-1,555,898.40-532,408.80

Finding the Fourth Proportional to 1,038,043.20, 1,555,898.40 and 532,408.80

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Solution

The fourth proportional to 1,038,043.20, 1,555,898.40 and 532,408.80 is: 798,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,043.20 : 1,555,898.40 = 532,408.80 : x
  2. Step 2: Convert to fraction form
    1,038,043.20/1,555,898.40 = 532,408.80/x
  3. Step 3: Cross multiply
    1,038,043.20x = 1,555,898.40 × 532,408.80
  4. Step 4: Simplify right side
    1,038,043.20x = 828,374,000,065.92
  5. Step 5: Solve for x
    x = 828,374,000,065.92/1,038,043.20
  6. Step 6: Final answer
    x = 798,014.96

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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.