Home / 1,026,788-1,540,804.16-435,812

Finding the Fourth Proportional to 1,026,788, 1,540,804.16 and 435,812

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Solution

The fourth proportional to 1,026,788, 1,540,804.16 and 435,812 is: 653,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,788 : 1,540,804.16 = 435,812 : x
  2. Step 2: Convert to fraction form
    1,026,788/1,540,804.16 = 435,812/x
  3. Step 3: Cross multiply
    1,026,788x = 1,540,804.16 × 435,812
  4. Step 4: Simplify right side
    1,026,788x = 671,500,942,577.92
  5. Step 5: Solve for x
    x = 671,500,942,577.92/1,026,788
  6. Step 6: Final answer
    x = 653,982.07

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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.