Home / 1,223,152.16-1,687,903.68-679,322.96

Finding the Fourth Proportional to 1,223,152.16, 1,687,903.68 and 679,322.96

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Solution

The fourth proportional to 1,223,152.16, 1,687,903.68 and 679,322.96 is: 937,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,152.16 : 1,687,903.68 = 679,322.96 : x
  2. Step 2: Convert to fraction form
    1,223,152.16/1,687,903.68 = 679,322.96/x
  3. Step 3: Cross multiply
    1,223,152.16x = 1,687,903.68 × 679,322.96
  4. Step 4: Simplify right side
    1,223,152.16x = 1,146,631,724,092.49
  5. Step 5: Solve for x
    x = 1,146,631,724,092.49/1,223,152.16
  6. Step 6: Final answer
    x = 937,439.97

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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.