Home / 1,676,966.72-2,515,541.88-478,795.28

Finding the Fourth Proportional to 1,676,966.72, 2,515,541.88 and 478,795.28

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Solution

The fourth proportional to 1,676,966.72, 2,515,541.88 and 478,795.28 is: 718,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,966.72 : 2,515,541.88 = 478,795.28 : x
  2. Step 2: Convert to fraction form
    1,676,966.72/2,515,541.88 = 478,795.28/x
  3. Step 3: Cross multiply
    1,676,966.72x = 2,515,541.88 × 478,795.28
  4. Step 4: Simplify right side
    1,676,966.72x = 1,204,429,578,786.33
  5. Step 5: Solve for x
    x = 1,204,429,578,786.33/1,676,966.72
  6. Step 6: Final answer
    x = 718,219.13

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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.