Home / 1,072,711.46-1,609,731.66-623,643.68

Finding the Fourth Proportional to 1,072,711.46, 1,609,731.66 and 623,643.68

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Solution

The fourth proportional to 1,072,711.46, 1,609,731.66 and 623,643.68 is: 935,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,711.46 : 1,609,731.66 = 623,643.68 : x
  2. Step 2: Convert to fraction form
    1,072,711.46/1,609,731.66 = 623,643.68/x
  3. Step 3: Cross multiply
    1,072,711.46x = 1,609,731.66 × 623,643.68
  4. Step 4: Simplify right side
    1,072,711.46x = 1,003,898,976,254.91
  5. Step 5: Solve for x
    x = 1,003,898,976,254.91/1,072,711.46
  6. Step 6: Final answer
    x = 935,851.82

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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.