Home / 1,223,292.22-1,688,096.32-679,462.70

Finding the Fourth Proportional to 1,223,292.22, 1,688,096.32 and 679,462.70

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Solution

The fourth proportional to 1,223,292.22, 1,688,096.32 and 679,462.70 is: 937,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,292.22 : 1,688,096.32 = 679,462.70 : x
  2. Step 2: Convert to fraction form
    1,223,292.22/1,688,096.32 = 679,462.70/x
  3. Step 3: Cross multiply
    1,223,292.22x = 1,688,096.32 × 679,462.70
  4. Step 4: Simplify right side
    1,223,292.22x = 1,146,998,489,462.43
  5. Step 5: Solve for x
    x = 1,146,998,489,462.43/1,223,292.22
  6. Step 6: Final answer
    x = 937,632.45

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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.