Home / 1,642,020.26-2,265,966.50-916,880.31

Finding the Fourth Proportional to 1,642,020.26, 2,265,966.50 and 916,880.31

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Solution

The fourth proportional to 1,642,020.26, 2,265,966.50 and 916,880.31 is: 1,265,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,020.26 : 2,265,966.50 = 916,880.31 : x
  2. Step 2: Convert to fraction form
    1,642,020.26/2,265,966.50 = 916,880.31/x
  3. Step 3: Cross multiply
    1,642,020.26x = 2,265,966.50 × 916,880.31
  4. Step 4: Simplify right side
    1,642,020.26x = 2,077,620,062,385.21
  5. Step 5: Solve for x
    x = 2,077,620,062,385.21/1,642,020.26
  6. Step 6: Final answer
    x = 1,265,282.85

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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.