Home / 1,448,496.40-2,172,733.80-437,616.40

Finding the Fourth Proportional to 1,448,496.40, 2,172,733.80 and 437,616.40

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Solution

The fourth proportional to 1,448,496.40, 2,172,733.80 and 437,616.40 is: 656,421.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,496.40 : 2,172,733.80 = 437,616.40 : x
  2. Step 2: Convert to fraction form
    1,448,496.40/2,172,733.80 = 437,616.40/x
  3. Step 3: Cross multiply
    1,448,496.40x = 2,172,733.80 × 437,616.40
  4. Step 4: Simplify right side
    1,448,496.40x = 950,823,943,714.32
  5. Step 5: Solve for x
    x = 950,823,943,714.32/1,448,496.40
  6. Step 6: Final answer
    x = 656,421.34

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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.