Home / 1,340,715.17-2,011,133.93-442,235.22

Finding the Fourth Proportional to 1,340,715.17, 2,011,133.93 and 442,235.22

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Solution

The fourth proportional to 1,340,715.17, 2,011,133.93 and 442,235.22 is: 663,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,715.17 : 2,011,133.93 = 442,235.22 : x
  2. Step 2: Convert to fraction form
    1,340,715.17/2,011,133.93 = 442,235.22/x
  3. Step 3: Cross multiply
    1,340,715.17x = 2,011,133.93 × 442,235.22
  4. Step 4: Simplify right side
    1,340,715.17x = 889,394,253,771.84
  5. Step 5: Solve for x
    x = 889,394,253,771.84/1,340,715.17
  6. Step 6: Final answer
    x = 663,373.01

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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.