Home / 1,038,810.52-1,558,915.62-407,649.88

Finding the Fourth Proportional to 1,038,810.52, 1,558,915.62 and 407,649.88

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Solution

The fourth proportional to 1,038,810.52, 1,558,915.62 and 407,649.88 is: 611,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,810.52 : 1,558,915.62 = 407,649.88 : x
  2. Step 2: Convert to fraction form
    1,038,810.52/1,558,915.62 = 407,649.88/x
  3. Step 3: Cross multiply
    1,038,810.52x = 1,558,915.62 × 407,649.88
  4. Step 4: Simplify right side
    1,038,810.52x = 635,491,765,423.13
  5. Step 5: Solve for x
    x = 635,491,765,423.13/1,038,810.52
  6. Step 6: Final answer
    x = 611,749.45

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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.