Home / 1,223,266.74-1,688,086.71-679,381.74

Finding the Fourth Proportional to 1,223,266.74, 1,688,086.71 and 679,381.74

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Solution

The fourth proportional to 1,223,266.74, 1,688,086.71 and 679,381.74 is: 937,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,266.74 : 1,688,086.71 = 679,381.74 : x
  2. Step 2: Convert to fraction form
    1,223,266.74/1,688,086.71 = 679,381.74/x
  3. Step 3: Cross multiply
    1,223,266.74x = 1,688,086.71 × 679,381.74
  4. Step 4: Simplify right side
    1,223,266.74x = 1,146,855,286,310.68
  5. Step 5: Solve for x
    x = 1,146,855,286,310.68/1,223,266.74
  6. Step 6: Final answer
    x = 937,534.92

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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.