Home / 1,079,989.32-1,477,433.13-1,075,440.36

Finding the Fourth Proportional to 1,079,989.32, 1,477,433.13 and 1,075,440.36

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Solution

The fourth proportional to 1,079,989.32, 1,477,433.13 and 1,075,440.36 is: 1,471,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,989.32 : 1,477,433.13 = 1,075,440.36 : x
  2. Step 2: Convert to fraction form
    1,079,989.32/1,477,433.13 = 1,075,440.36/x
  3. Step 3: Cross multiply
    1,079,989.32x = 1,477,433.13 × 1,075,440.36
  4. Step 4: Simplify right side
    1,079,989.32x = 1,588,891,217,203.13
  5. Step 5: Solve for x
    x = 1,588,891,217,203.13/1,079,989.32
  6. Step 6: Final answer
    x = 1,471,210.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.