Home / 1,223,297.64-1,688,104.07-679,468.32

Finding the Fourth Proportional to 1,223,297.64, 1,688,104.07 and 679,468.32

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Solution

The fourth proportional to 1,223,297.64, 1,688,104.07 and 679,468.32 is: 937,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,297.64 : 1,688,104.07 = 679,468.32 : x
  2. Step 2: Convert to fraction form
    1,223,297.64/1,688,104.07 = 679,468.32/x
  3. Step 3: Cross multiply
    1,223,297.64x = 1,688,104.07 × 679,468.32
  4. Step 4: Simplify right side
    1,223,297.64x = 1,147,013,233,030.72
  5. Step 5: Solve for x
    x = 1,147,013,233,030.72/1,223,297.64
  6. Step 6: Final answer
    x = 937,640.35

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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.