Home / 1,410,995.38-1,947,188.29-766,428.18

Finding the Fourth Proportional to 1,410,995.38, 1,947,188.29 and 766,428.18

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Solution

The fourth proportional to 1,410,995.38, 1,947,188.29 and 766,428.18 is: 1,057,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,995.38 : 1,947,188.29 = 766,428.18 : x
  2. Step 2: Convert to fraction form
    1,410,995.38/1,947,188.29 = 766,428.18/x
  3. Step 3: Cross multiply
    1,410,995.38x = 1,947,188.29 × 766,428.18
  4. Step 4: Simplify right side
    1,410,995.38x = 1,492,379,977,222.01
  5. Step 5: Solve for x
    x = 1,492,379,977,222.01/1,410,995.38
  6. Step 6: Final answer
    x = 1,057,678.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.