Home / 1,133,318.30-1,699,977.45-385,364.30

Finding the Fourth Proportional to 1,133,318.30, 1,699,977.45 and 385,364.30

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Solution

The fourth proportional to 1,133,318.30, 1,699,977.45 and 385,364.30 is: 578,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,318.30 : 1,699,977.45 = 385,364.30 : x
  2. Step 2: Convert to fraction form
    1,133,318.30/1,699,977.45 = 385,364.30/x
  3. Step 3: Cross multiply
    1,133,318.30x = 1,699,977.45 × 385,364.30
  4. Step 4: Simplify right side
    1,133,318.30x = 655,110,620,035.04
  5. Step 5: Solve for x
    x = 655,110,620,035.04/1,133,318.30
  6. Step 6: Final answer
    x = 578,046.45

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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.