Home / 1,290,775.10-1,935,501.66-758,456.06

Finding the Fourth Proportional to 1,290,775.10, 1,935,501.66 and 758,456.06

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Solution

The fourth proportional to 1,290,775.10, 1,935,501.66 and 758,456.06 is: 1,137,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,775.10 : 1,935,501.66 = 758,456.06 : x
  2. Step 2: Convert to fraction form
    1,290,775.10/1,935,501.66 = 758,456.06/x
  3. Step 3: Cross multiply
    1,290,775.10x = 1,935,501.66 × 758,456.06
  4. Step 4: Simplify right side
    1,290,775.10x = 1,467,992,963,167.06
  5. Step 5: Solve for x
    x = 1,467,992,963,167.06/1,290,775.10
  6. Step 6: Final answer
    x = 1,137,295.69

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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.