Home / 1,488,016.80-2,231,852.40-423,223.20

Finding the Fourth Proportional to 1,488,016.80, 2,231,852.40 and 423,223.20

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Solution

The fourth proportional to 1,488,016.80, 2,231,852.40 and 423,223.20 is: 634,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,016.80 : 2,231,852.40 = 423,223.20 : x
  2. Step 2: Convert to fraction form
    1,488,016.80/2,231,852.40 = 423,223.20/x
  3. Step 3: Cross multiply
    1,488,016.80x = 2,231,852.40 × 423,223.20
  4. Step 4: Simplify right side
    1,488,016.80x = 944,571,714,655.68
  5. Step 5: Solve for x
    x = 944,571,714,655.68/1,488,016.80
  6. Step 6: Final answer
    x = 634,785.65

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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.