Home / 1,478,552.85-2,218,072.59-453,857.40

Finding the Fourth Proportional to 1,478,552.85, 2,218,072.59 and 453,857.40

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Solution

The fourth proportional to 1,478,552.85, 2,218,072.59 and 453,857.40 is: 680,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,552.85 : 2,218,072.59 = 453,857.40 : x
  2. Step 2: Convert to fraction form
    1,478,552.85/2,218,072.59 = 453,857.40/x
  3. Step 3: Cross multiply
    1,478,552.85x = 2,218,072.59 × 453,857.40
  4. Step 4: Simplify right side
    1,478,552.85x = 1,006,688,658,708.67
  5. Step 5: Solve for x
    x = 1,006,688,658,708.67/1,478,552.85
  6. Step 6: Final answer
    x = 680,860.79

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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.