Home / 1,280,210.48-1,920,601.75-481,498.95

Finding the Fourth Proportional to 1,280,210.48, 1,920,601.75 and 481,498.95

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Solution

The fourth proportional to 1,280,210.48, 1,920,601.75 and 481,498.95 is: 722,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,210.48 : 1,920,601.75 = 481,498.95 : x
  2. Step 2: Convert to fraction form
    1,280,210.48/1,920,601.75 = 481,498.95/x
  3. Step 3: Cross multiply
    1,280,210.48x = 1,920,601.75 × 481,498.95
  4. Step 4: Simplify right side
    1,280,210.48x = 924,767,724,789.42
  5. Step 5: Solve for x
    x = 924,767,724,789.42/1,280,210.48
  6. Step 6: Final answer
    x = 722,356.00

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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.