Home / 1,131,497.32-1,697,155.74-657,880.68

Finding the Fourth Proportional to 1,131,497.32, 1,697,155.74 and 657,880.68

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Solution

The fourth proportional to 1,131,497.32, 1,697,155.74 and 657,880.68 is: 986,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,497.32 : 1,697,155.74 = 657,880.68 : x
  2. Step 2: Convert to fraction form
    1,131,497.32/1,697,155.74 = 657,880.68/x
  3. Step 3: Cross multiply
    1,131,497.32x = 1,697,155.74 × 657,880.68
  4. Step 4: Simplify right side
    1,131,497.32x = 1,116,525,972,297.10
  5. Step 5: Solve for x
    x = 1,116,525,972,297.10/1,131,497.32
  6. Step 6: Final answer
    x = 986,768.55

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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.