Home / 1,248,328.14-1,724,456.43-993,353.10

Finding the Fourth Proportional to 1,248,328.14, 1,724,456.43 and 993,353.10

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Solution

The fourth proportional to 1,248,328.14, 1,724,456.43 and 993,353.10 is: 1,372,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,328.14 : 1,724,456.43 = 993,353.10 : x
  2. Step 2: Convert to fraction form
    1,248,328.14/1,724,456.43 = 993,353.10/x
  3. Step 3: Cross multiply
    1,248,328.14x = 1,724,456.43 × 993,353.10
  4. Step 4: Simplify right side
    1,248,328.14x = 1,712,994,140,555.43
  5. Step 5: Solve for x
    x = 1,712,994,140,555.43/1,248,328.14
  6. Step 6: Final answer
    x = 1,372,230.65

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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.