Home / 1,238,059.08-1,707,796.04-778,445.24

Finding the Fourth Proportional to 1,238,059.08, 1,707,796.04 and 778,445.24

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Solution

The fourth proportional to 1,238,059.08, 1,707,796.04 and 778,445.24 is: 1,073,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,059.08 : 1,707,796.04 = 778,445.24 : x
  2. Step 2: Convert to fraction form
    1,238,059.08/1,707,796.04 = 778,445.24/x
  3. Step 3: Cross multiply
    1,238,059.08x = 1,707,796.04 × 778,445.24
  4. Step 4: Simplify right side
    1,238,059.08x = 1,329,425,685,797.64
  5. Step 5: Solve for x
    x = 1,329,425,685,797.64/1,238,059.08
  6. Step 6: Final answer
    x = 1,073,798.26

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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.