Home / 1,216,495.50-1,678,696.04-672,598.62

Finding the Fourth Proportional to 1,216,495.50, 1,678,696.04 and 672,598.62

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Solution

The fourth proportional to 1,216,495.50, 1,678,696.04 and 672,598.62 is: 928,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,495.50 : 1,678,696.04 = 672,598.62 : x
  2. Step 2: Convert to fraction form
    1,216,495.50/1,678,696.04 = 672,598.62/x
  3. Step 3: Cross multiply
    1,216,495.50x = 1,678,696.04 × 672,598.62
  4. Step 4: Simplify right side
    1,216,495.50x = 1,129,088,641,584.96
  5. Step 5: Solve for x
    x = 1,129,088,641,584.96/1,216,495.50
  6. Step 6: Final answer
    x = 928,148.64

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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.