Home / 1,478,818.12-2,218,227.54-414,017.02

Finding the Fourth Proportional to 1,478,818.12, 2,218,227.54 and 414,017.02

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Solution

The fourth proportional to 1,478,818.12, 2,218,227.54 and 414,017.02 is: 621,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,818.12 : 2,218,227.54 = 414,017.02 : x
  2. Step 2: Convert to fraction form
    1,478,818.12/2,218,227.54 = 414,017.02/x
  3. Step 3: Cross multiply
    1,478,818.12x = 2,218,227.54 × 414,017.02
  4. Step 4: Simplify right side
    1,478,818.12x = 918,383,955,792.73
  5. Step 5: Solve for x
    x = 918,383,955,792.73/1,478,818.12
  6. Step 6: Final answer
    x = 621,025.63

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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.