Home / 1,117,641.96-1,676,712.92-407,670.03

Finding the Fourth Proportional to 1,117,641.96, 1,676,712.92 and 407,670.03

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Solution

The fourth proportional to 1,117,641.96, 1,676,712.92 and 407,670.03 is: 611,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,641.96 : 1,676,712.92 = 407,670.03 : x
  2. Step 2: Convert to fraction form
    1,117,641.96/1,676,712.92 = 407,670.03/x
  3. Step 3: Cross multiply
    1,117,641.96x = 1,676,712.92 × 407,670.03
  4. Step 4: Simplify right side
    1,117,641.96x = 683,545,604,359.44
  5. Step 5: Solve for x
    x = 683,545,604,359.44/1,117,641.96
  6. Step 6: Final answer
    x = 611,596.23

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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.