Home / 1,488,009.80-2,231,841.90-423,216.20

Finding the Fourth Proportional to 1,488,009.80, 2,231,841.90 and 423,216.20

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Solution

The fourth proportional to 1,488,009.80, 2,231,841.90 and 423,216.20 is: 634,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,009.80 : 2,231,841.90 = 423,216.20 : x
  2. Step 2: Convert to fraction form
    1,488,009.80/2,231,841.90 = 423,216.20/x
  3. Step 3: Cross multiply
    1,488,009.80x = 2,231,841.90 × 423,216.20
  4. Step 4: Simplify right side
    1,488,009.80x = 944,551,647,918.78
  5. Step 5: Solve for x
    x = 944,551,647,918.78/1,488,009.80
  6. Step 6: Final answer
    x = 634,775.15

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1.5x scale

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.