Home / 1,488,782.64-2,233,395.40-690,144.92

Finding the Fourth Proportional to 1,488,782.64, 2,233,395.40 and 690,144.92

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Solution

The fourth proportional to 1,488,782.64, 2,233,395.40 and 690,144.92 is: 1,035,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,782.64 : 2,233,395.40 = 690,144.92 : x
  2. Step 2: Convert to fraction form
    1,488,782.64/2,233,395.40 = 690,144.92/x
  3. Step 3: Cross multiply
    1,488,782.64x = 2,233,395.40 × 690,144.92
  4. Step 4: Simplify right side
    1,488,782.64x = 1,541,366,489,661.37
  5. Step 5: Solve for x
    x = 1,541,366,489,661.37/1,488,782.64
  6. Step 6: Final answer
    x = 1,035,320.03

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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.