Home / 1,223,563.84-1,688,718.72-707,334.64

Finding the Fourth Proportional to 1,223,563.84, 1,688,718.72 and 707,334.64

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Solution

The fourth proportional to 1,223,563.84, 1,688,718.72 and 707,334.64 is: 976,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,563.84 : 1,688,718.72 = 707,334.64 : x
  2. Step 2: Convert to fraction form
    1,223,563.84/1,688,718.72 = 707,334.64/x
  3. Step 3: Cross multiply
    1,223,563.84x = 1,688,718.72 × 707,334.64
  4. Step 4: Simplify right side
    1,223,563.84x = 1,194,489,247,872.46
  5. Step 5: Solve for x
    x = 1,194,489,247,872.46/1,223,563.84
  6. Step 6: Final answer
    x = 976,237.78

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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.