Home / 1,298,424.30-1,947,636.45-738,552.30

Finding the Fourth Proportional to 1,298,424.30, 1,947,636.45 and 738,552.30

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Solution

The fourth proportional to 1,298,424.30, 1,947,636.45 and 738,552.30 is: 1,107,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,424.30 : 1,947,636.45 = 738,552.30 : x
  2. Step 2: Convert to fraction form
    1,298,424.30/1,947,636.45 = 738,552.30/x
  3. Step 3: Cross multiply
    1,298,424.30x = 1,947,636.45 × 738,552.30
  4. Step 4: Simplify right side
    1,298,424.30x = 1,438,431,379,711.34
  5. Step 5: Solve for x
    x = 1,438,431,379,711.34/1,298,424.30
  6. Step 6: Final answer
    x = 1,107,828.45

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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.