Home / 1,072,922.70-1,609,384.05-718,337.10

Finding the Fourth Proportional to 1,072,922.70, 1,609,384.05 and 718,337.10

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Solution

The fourth proportional to 1,072,922.70, 1,609,384.05 and 718,337.10 is: 1,077,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,922.70 : 1,609,384.05 = 718,337.10 : x
  2. Step 2: Convert to fraction form
    1,072,922.70/1,609,384.05 = 718,337.10/x
  3. Step 3: Cross multiply
    1,072,922.70x = 1,609,384.05 × 718,337.10
  4. Step 4: Simplify right side
    1,072,922.70x = 1,156,080,271,263.25
  5. Step 5: Solve for x
    x = 1,156,080,271,263.25/1,072,922.70
  6. Step 6: Final answer
    x = 1,077,505.65

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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.