Home / 1,609,390.78-2,220,962.14-884,232.20

Finding the Fourth Proportional to 1,609,390.78, 2,220,962.14 and 884,232.20

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Solution

The fourth proportional to 1,609,390.78, 2,220,962.14 and 884,232.20 is: 1,220,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,390.78 : 2,220,962.14 = 884,232.20 : x
  2. Step 2: Convert to fraction form
    1,609,390.78/2,220,962.14 = 884,232.20/x
  3. Step 3: Cross multiply
    1,609,390.78x = 2,220,962.14 × 884,232.20
  4. Step 4: Simplify right side
    1,609,390.78x = 1,963,846,239,168.91
  5. Step 5: Solve for x
    x = 1,963,846,239,168.91/1,609,390.78
  6. Step 6: Final answer
    x = 1,220,242.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.