Home / 1,049,090.72-1,573,956.80-442,193.28

Finding the Fourth Proportional to 1,049,090.72, 1,573,956.80 and 442,193.28

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Solution

The fourth proportional to 1,049,090.72, 1,573,956.80 and 442,193.28 is: 663,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,090.72 : 1,573,956.80 = 442,193.28 : x
  2. Step 2: Convert to fraction form
    1,049,090.72/1,573,956.80 = 442,193.28/x
  3. Step 3: Cross multiply
    1,049,090.72x = 1,573,956.80 × 442,193.28
  4. Step 4: Simplify right side
    1,049,090.72x = 695,993,119,970.30
  5. Step 5: Solve for x
    x = 695,993,119,970.30/1,049,090.72
  6. Step 6: Final answer
    x = 663,425.10

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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.