Home / 1,106,428.60-1,659,642.90-988,233.40

Finding the Fourth Proportional to 1,106,428.60, 1,659,642.90 and 988,233.40

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Solution

The fourth proportional to 1,106,428.60, 1,659,642.90 and 988,233.40 is: 1,482,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,428.60 : 1,659,642.90 = 988,233.40 : x
  2. Step 2: Convert to fraction form
    1,106,428.60/1,659,642.90 = 988,233.40/x
  3. Step 3: Cross multiply
    1,106,428.60x = 1,659,642.90 × 988,233.40
  4. Step 4: Simplify right side
    1,106,428.60x = 1,640,114,545,852.86
  5. Step 5: Solve for x
    x = 1,640,114,545,852.86/1,106,428.60
  6. Step 6: Final answer
    x = 1,482,350.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.