Home / 1,172,362.12-1,617,346.06-688,709.08

Finding the Fourth Proportional to 1,172,362.12, 1,617,346.06 and 688,709.08

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Solution

The fourth proportional to 1,172,362.12, 1,617,346.06 and 688,709.08 is: 950,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,362.12 : 1,617,346.06 = 688,709.08 : x
  2. Step 2: Convert to fraction form
    1,172,362.12/1,617,346.06 = 688,709.08/x
  3. Step 3: Cross multiply
    1,172,362.12x = 1,617,346.06 × 688,709.08
  4. Step 4: Simplify right side
    1,172,362.12x = 1,113,880,917,024.22
  5. Step 5: Solve for x
    x = 1,113,880,917,024.22/1,172,362.12
  6. Step 6: Final answer
    x = 950,116.78

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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.