Home / 1,191,110.04-1,643,991.12-732,618.72

Finding the Fourth Proportional to 1,191,110.04, 1,643,991.12 and 732,618.72

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Solution

The fourth proportional to 1,191,110.04, 1,643,991.12 and 732,618.72 is: 1,011,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,110.04 : 1,643,991.12 = 732,618.72 : x
  2. Step 2: Convert to fraction form
    1,191,110.04/1,643,991.12 = 732,618.72/x
  3. Step 3: Cross multiply
    1,191,110.04x = 1,643,991.12 × 732,618.72
  4. Step 4: Simplify right side
    1,191,110.04x = 1,204,418,670,025.77
  5. Step 5: Solve for x
    x = 1,204,418,670,025.77/1,191,110.04
  6. Step 6: Final answer
    x = 1,011,173.30

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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.