Home / 1,754,291.12-2,420,968.92-1,065,728.72

Finding the Fourth Proportional to 1,754,291.12, 2,420,968.92 and 1,065,728.72

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Solution

The fourth proportional to 1,754,291.12, 2,420,968.92 and 1,065,728.72 is: 1,470,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,291.12 : 2,420,968.92 = 1,065,728.72 : x
  2. Step 2: Convert to fraction form
    1,754,291.12/2,420,968.92 = 1,065,728.72/x
  3. Step 3: Cross multiply
    1,754,291.12x = 2,420,968.92 × 1,065,728.72
  4. Step 4: Simplify right side
    1,754,291.12x = 2,580,096,108,271.38
  5. Step 5: Solve for x
    x = 2,580,096,108,271.38/1,754,291.12
  6. Step 6: Final answer
    x = 1,470,734.29

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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.