Home / 1,488,783.92-2,233,397.30-690,146.19

Finding the Fourth Proportional to 1,488,783.92, 2,233,397.30 and 690,146.19

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Solution

The fourth proportional to 1,488,783.92, 2,233,397.30 and 690,146.19 is: 1,035,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,783.92 : 2,233,397.30 = 690,146.19 : x
  2. Step 2: Convert to fraction form
    1,488,783.92/2,233,397.30 = 690,146.19/x
  3. Step 3: Cross multiply
    1,488,783.92x = 2,233,397.30 × 690,146.19
  4. Step 4: Simplify right side
    1,488,783.92x = 1,541,370,633,900.56
  5. Step 5: Solve for x
    x = 1,541,370,633,900.56/1,488,783.92
  6. Step 6: Final answer
    x = 1,035,321.93

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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.