Home / 1,148,546.43-1,585,342.67-665,230.23

Finding the Fourth Proportional to 1,148,546.43, 1,585,342.67 and 665,230.23

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Solution

The fourth proportional to 1,148,546.43, 1,585,342.67 and 665,230.23 is: 918,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,546.43 : 1,585,342.67 = 665,230.23 : x
  2. Step 2: Convert to fraction form
    1,148,546.43/1,585,342.67 = 665,230.23/x
  3. Step 3: Cross multiply
    1,148,546.43x = 1,585,342.67 × 665,230.23
  4. Step 4: Simplify right side
    1,148,546.43x = 1,054,617,865,666.76
  5. Step 5: Solve for x
    x = 1,054,617,865,666.76/1,148,546.43
  6. Step 6: Final answer
    x = 918,219.62

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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.