Home / 1,815,430.20-2,723,145.30-553,255.80

Finding the Fourth Proportional to 1,815,430.20, 2,723,145.30 and 553,255.80

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Solution

The fourth proportional to 1,815,430.20, 2,723,145.30 and 553,255.80 is: 829,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,430.20 : 2,723,145.30 = 553,255.80 : x
  2. Step 2: Convert to fraction form
    1,815,430.20/2,723,145.30 = 553,255.80/x
  3. Step 3: Cross multiply
    1,815,430.20x = 2,723,145.30 × 553,255.80
  4. Step 4: Simplify right side
    1,815,430.20x = 1,506,595,931,467.74
  5. Step 5: Solve for x
    x = 1,506,595,931,467.74/1,815,430.20
  6. Step 6: Final answer
    x = 829,883.70

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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.