Home / 1,057,991.02-1,586,779.88-338,139.62

Finding the Fourth Proportional to 1,057,991.02, 1,586,779.88 and 338,139.62

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Solution

The fourth proportional to 1,057,991.02, 1,586,779.88 and 338,139.62 is: 507,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,991.02 : 1,586,779.88 = 338,139.62 : x
  2. Step 2: Convert to fraction form
    1,057,991.02/1,586,779.88 = 338,139.62/x
  3. Step 3: Cross multiply
    1,057,991.02x = 1,586,779.88 × 338,139.62
  4. Step 4: Simplify right side
    1,057,991.02x = 536,553,147,923.10
  5. Step 5: Solve for x
    x = 536,553,147,923.10/1,057,991.02
  6. Step 6: Final answer
    x = 507,143.39

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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.