Home / 1,769,348.40-2,655,059.40-647,530.80

Finding the Fourth Proportional to 1,769,348.40, 2,655,059.40 and 647,530.80

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Solution

The fourth proportional to 1,769,348.40, 2,655,059.40 and 647,530.80 is: 971,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,348.40 : 2,655,059.40 = 647,530.80 : x
  2. Step 2: Convert to fraction form
    1,769,348.40/2,655,059.40 = 647,530.80/x
  3. Step 3: Cross multiply
    1,769,348.40x = 2,655,059.40 × 647,530.80
  4. Step 4: Simplify right side
    1,769,348.40x = 1,719,232,737,329.52
  5. Step 5: Solve for x
    x = 1,719,232,737,329.52/1,769,348.40
  6. Step 6: Final answer
    x = 971,675.64

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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.