Home / 1,202,681.20-1,658,370.09-766,407.45

Finding the Fourth Proportional to 1,202,681.20, 1,658,370.09 and 766,407.45

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Solution

The fourth proportional to 1,202,681.20, 1,658,370.09 and 766,407.45 is: 1,056,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,681.20 : 1,658,370.09 = 766,407.45 : x
  2. Step 2: Convert to fraction form
    1,202,681.20/1,658,370.09 = 766,407.45/x
  3. Step 3: Cross multiply
    1,202,681.20x = 1,658,370.09 × 766,407.45
  4. Step 4: Simplify right side
    1,202,681.20x = 1,270,987,185,855.79
  5. Step 5: Solve for x
    x = 1,270,987,185,855.79/1,202,681.20
  6. Step 6: Final answer
    x = 1,056,794.76

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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.