Home / 1,280,210.24-1,920,601.37-481,498.70

Finding the Fourth Proportional to 1,280,210.24, 1,920,601.37 and 481,498.70

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Solution

The fourth proportional to 1,280,210.24, 1,920,601.37 and 481,498.70 is: 722,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,210.24 : 1,920,601.37 = 481,498.70 : x
  2. Step 2: Convert to fraction form
    1,280,210.24/1,920,601.37 = 481,498.70/x
  3. Step 3: Cross multiply
    1,280,210.24x = 1,920,601.37 × 481,498.70
  4. Step 4: Simplify right side
    1,280,210.24x = 924,767,053,270.21
  5. Step 5: Solve for x
    x = 924,767,053,270.21/1,280,210.24
  6. Step 6: Final answer
    x = 722,355.62

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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.