Home / 1,421,680.88-2,132,631.24-475,054.88

Finding the Fourth Proportional to 1,421,680.88, 2,132,631.24 and 475,054.88

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Solution

The fourth proportional to 1,421,680.88, 2,132,631.24 and 475,054.88 is: 712,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,680.88 : 2,132,631.24 = 475,054.88 : x
  2. Step 2: Convert to fraction form
    1,421,680.88/2,132,631.24 = 475,054.88/x
  3. Step 3: Cross multiply
    1,421,680.88x = 2,132,631.24 × 475,054.88
  4. Step 4: Simplify right side
    1,421,680.88x = 1,013,116,877,802.45
  5. Step 5: Solve for x
    x = 1,013,116,877,802.45/1,421,680.88
  6. Step 6: Final answer
    x = 712,619.05

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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.