Home / 1,149,294.69-1,586,043.59-665,894.79

Finding the Fourth Proportional to 1,149,294.69, 1,586,043.59 and 665,894.79

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Solution

The fourth proportional to 1,149,294.69, 1,586,043.59 and 665,894.79 is: 918,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,294.69 : 1,586,043.59 = 665,894.79 : x
  2. Step 2: Convert to fraction form
    1,149,294.69/1,586,043.59 = 665,894.79/x
  3. Step 3: Cross multiply
    1,149,294.69x = 1,586,043.59 × 665,894.79
  4. Step 4: Simplify right side
    1,149,294.69x = 1,056,138,159,964.42
  5. Step 5: Solve for x
    x = 1,056,138,159,964.42/1,149,294.69
  6. Step 6: Final answer
    x = 918,944.61

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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.