Home / 1,124,715.12-1,686,894.12-526,091.76

Finding the Fourth Proportional to 1,124,715.12, 1,686,894.12 and 526,091.76

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Solution

The fourth proportional to 1,124,715.12, 1,686,894.12 and 526,091.76 is: 789,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,715.12 : 1,686,894.12 = 526,091.76 : x
  2. Step 2: Convert to fraction form
    1,124,715.12/1,686,894.12 = 526,091.76/x
  3. Step 3: Cross multiply
    1,124,715.12x = 1,686,894.12 × 526,091.76
  4. Step 4: Simplify right side
    1,124,715.12x = 887,461,096,524.45
  5. Step 5: Solve for x
    x = 887,461,096,524.45/1,124,715.12
  6. Step 6: Final answer
    x = 789,054.12

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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.