Home / 1,223,632.22-1,688,141.36-902,106.76

Finding the Fourth Proportional to 1,223,632.22, 1,688,141.36 and 902,106.76

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Solution

The fourth proportional to 1,223,632.22, 1,688,141.36 and 902,106.76 is: 1,244,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,632.22 : 1,688,141.36 = 902,106.76 : x
  2. Step 2: Convert to fraction form
    1,223,632.22/1,688,141.36 = 902,106.76/x
  3. Step 3: Cross multiply
    1,223,632.22x = 1,688,141.36 × 902,106.76
  4. Step 4: Simplify right side
    1,223,632.22x = 1,522,883,732,691.59
  5. Step 5: Solve for x
    x = 1,522,883,732,691.59/1,223,632.22
  6. Step 6: Final answer
    x = 1,244,560.01

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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.