Home / 1,145,942.15-1,581,307.58-662,538.45

Finding the Fourth Proportional to 1,145,942.15, 1,581,307.58 and 662,538.45

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Solution

The fourth proportional to 1,145,942.15, 1,581,307.58 and 662,538.45 is: 914,249.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,942.15 : 1,581,307.58 = 662,538.45 : x
  2. Step 2: Convert to fraction form
    1,145,942.15/1,581,307.58 = 662,538.45/x
  3. Step 3: Cross multiply
    1,145,942.15x = 1,581,307.58 × 662,538.45
  4. Step 4: Simplify right side
    1,145,942.15x = 1,047,677,069,713.76
  5. Step 5: Solve for x
    x = 1,047,677,069,713.76/1,145,942.15
  6. Step 6: Final answer
    x = 914,249.53

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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.