Home / 1,273,996.80-1,911,290.40-432,548.52

Finding the Fourth Proportional to 1,273,996.80, 1,911,290.40 and 432,548.52

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Solution

The fourth proportional to 1,273,996.80, 1,911,290.40 and 432,548.52 is: 648,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,996.80 : 1,911,290.40 = 432,548.52 : x
  2. Step 2: Convert to fraction form
    1,273,996.80/1,911,290.40 = 432,548.52/x
  3. Step 3: Cross multiply
    1,273,996.80x = 1,911,290.40 × 432,548.52
  4. Step 4: Simplify right side
    1,273,996.80x = 826,725,833,810.21
  5. Step 5: Solve for x
    x = 826,725,833,810.21/1,273,996.80
  6. Step 6: Final answer
    x = 648,923.01

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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.