Home / 1,691,386.92-2,536,948.02-476,914.50

Finding the Fourth Proportional to 1,691,386.92, 2,536,948.02 and 476,914.50

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Solution

The fourth proportional to 1,691,386.92, 2,536,948.02 and 476,914.50 is: 715,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,386.92 : 2,536,948.02 = 476,914.50 : x
  2. Step 2: Convert to fraction form
    1,691,386.92/2,536,948.02 = 476,914.50/x
  3. Step 3: Cross multiply
    1,691,386.92x = 2,536,948.02 × 476,914.50
  4. Step 4: Simplify right side
    1,691,386.92x = 1,209,907,296,484.29
  5. Step 5: Solve for x
    x = 1,209,907,296,484.29/1,691,386.92
  6. Step 6: Final answer
    x = 715,334.43

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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.