Home / 1,222,834.70-1,834,689.45-513,080.30

Finding the Fourth Proportional to 1,222,834.70, 1,834,689.45 and 513,080.30

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Solution

The fourth proportional to 1,222,834.70, 1,834,689.45 and 513,080.30 is: 769,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,834.70 : 1,834,689.45 = 513,080.30 : x
  2. Step 2: Convert to fraction form
    1,222,834.70/1,834,689.45 = 513,080.30/x
  3. Step 3: Cross multiply
    1,222,834.70x = 1,834,689.45 × 513,080.30
  4. Step 4: Simplify right side
    1,222,834.70x = 941,343,013,412.84
  5. Step 5: Solve for x
    x = 941,343,013,412.84/1,222,834.70
  6. Step 6: Final answer
    x = 769,803.98

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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.