Home / 1,038,809.52-1,558,914.12-407,648.88

Finding the Fourth Proportional to 1,038,809.52, 1,558,914.12 and 407,648.88

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Solution

The fourth proportional to 1,038,809.52, 1,558,914.12 and 407,648.88 is: 611,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,809.52 : 1,558,914.12 = 407,648.88 : x
  2. Step 2: Convert to fraction form
    1,038,809.52/1,558,914.12 = 407,648.88/x
  3. Step 3: Cross multiply
    1,038,809.52x = 1,558,914.12 × 407,648.88
  4. Step 4: Simplify right side
    1,038,809.52x = 635,489,595,034.19
  5. Step 5: Solve for x
    x = 635,489,595,034.19/1,038,809.52
  6. Step 6: Final answer
    x = 611,747.95

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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.