Home / 1,175,244.76-1,621,838.46-638,700.76

Finding the Fourth Proportional to 1,175,244.76, 1,621,838.46 and 638,700.76

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Solution

The fourth proportional to 1,175,244.76, 1,621,838.46 and 638,700.76 is: 881,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,244.76 : 1,621,838.46 = 638,700.76 : x
  2. Step 2: Convert to fraction form
    1,175,244.76/1,621,838.46 = 638,700.76/x
  3. Step 3: Cross multiply
    1,175,244.76x = 1,621,838.46 × 638,700.76
  4. Step 4: Simplify right side
    1,175,244.76x = 1,035,869,456,999.23
  5. Step 5: Solve for x
    x = 1,035,869,456,999.23/1,175,244.76
  6. Step 6: Final answer
    x = 881,407.42

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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.