Home / 1,148,828.96-1,585,596.56-665,394

Finding the Fourth Proportional to 1,148,828.96, 1,585,596.56 and 665,394

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Solution

The fourth proportional to 1,148,828.96, 1,585,596.56 and 665,394 is: 918,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,828.96 : 1,585,596.56 = 665,394 : x
  2. Step 2: Convert to fraction form
    1,148,828.96/1,585,596.56 = 665,394/x
  3. Step 3: Cross multiply
    1,148,828.96x = 1,585,596.56 × 665,394
  4. Step 4: Simplify right side
    1,148,828.96x = 1,055,046,437,444.64
  5. Step 5: Solve for x
    x = 1,055,046,437,444.64/1,148,828.96
  6. Step 6: Final answer
    x = 918,366.85

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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.