Home / 1,072,521.20-1,609,242.60-547,209.20

Finding the Fourth Proportional to 1,072,521.20, 1,609,242.60 and 547,209.20

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Solution

The fourth proportional to 1,072,521.20, 1,609,242.60 and 547,209.20 is: 821,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,521.20 : 1,609,242.60 = 547,209.20 : x
  2. Step 2: Convert to fraction form
    1,072,521.20/1,609,242.60 = 547,209.20/x
  3. Step 3: Cross multiply
    1,072,521.20x = 1,609,242.60 × 547,209.20
  4. Step 4: Simplify right side
    1,072,521.20x = 880,592,355,751.92
  5. Step 5: Solve for x
    x = 880,592,355,751.92/1,072,521.20
  6. Step 6: Final answer
    x = 821,048.90

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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.