Home / 1,066,752.10-1,470,860.04-862,170.40

Finding the Fourth Proportional to 1,066,752.10, 1,470,860.04 and 862,170.40

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Solution

The fourth proportional to 1,066,752.10, 1,470,860.04 and 862,170.40 is: 1,188,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,752.10 : 1,470,860.04 = 862,170.40 : x
  2. Step 2: Convert to fraction form
    1,066,752.10/1,470,860.04 = 862,170.40/x
  3. Step 3: Cross multiply
    1,066,752.10x = 1,470,860.04 × 862,170.40
  4. Step 4: Simplify right side
    1,066,752.10x = 1,268,131,989,030.82
  5. Step 5: Solve for x
    x = 1,268,131,989,030.82/1,066,752.10
  6. Step 6: Final answer
    x = 1,188,778.53

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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.