Home / 1,070,348.73-1,605,790.80-755,420.73

Finding the Fourth Proportional to 1,070,348.73, 1,605,790.80 and 755,420.73

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Solution

The fourth proportional to 1,070,348.73, 1,605,790.80 and 755,420.73 is: 1,133,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,348.73 : 1,605,790.80 = 755,420.73 : x
  2. Step 2: Convert to fraction form
    1,070,348.73/1,605,790.80 = 755,420.73/x
  3. Step 3: Cross multiply
    1,070,348.73x = 1,605,790.80 × 755,420.73
  4. Step 4: Simplify right side
    1,070,348.73x = 1,213,047,658,363.28
  5. Step 5: Solve for x
    x = 1,213,047,658,363.28/1,070,348.73
  6. Step 6: Final answer
    x = 1,133,320.03

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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.