Home / 1,117,698.06-1,676,562.81-318,979.70

Finding the Fourth Proportional to 1,117,698.06, 1,676,562.81 and 318,979.70

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Solution

The fourth proportional to 1,117,698.06, 1,676,562.81 and 318,979.70 is: 478,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,698.06 : 1,676,562.81 = 318,979.70 : x
  2. Step 2: Convert to fraction form
    1,117,698.06/1,676,562.81 = 318,979.70/x
  3. Step 3: Cross multiply
    1,117,698.06x = 1,676,562.81 × 318,979.70
  4. Step 4: Simplify right side
    1,117,698.06x = 534,789,502,164.96
  5. Step 5: Solve for x
    x = 534,789,502,164.96/1,117,698.06
  6. Step 6: Final answer
    x = 478,474.04

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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.