Home / 1,208,264.58-1,812,009.48-398,467.20

Finding the Fourth Proportional to 1,208,264.58, 1,812,009.48 and 398,467.20

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Solution

The fourth proportional to 1,208,264.58, 1,812,009.48 and 398,467.20 is: 597,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,264.58 : 1,812,009.48 = 398,467.20 : x
  2. Step 2: Convert to fraction form
    1,208,264.58/1,812,009.48 = 398,467.20/x
  3. Step 3: Cross multiply
    1,208,264.58x = 1,812,009.48 × 398,467.20
  4. Step 4: Simplify right side
    1,208,264.58x = 722,026,343,869.06
  5. Step 5: Solve for x
    x = 722,026,343,869.06/1,208,264.58
  6. Step 6: Final answer
    x = 597,573.04

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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.