Home / 1,070,849.60-1,606,857.60-439,827.20

Finding the Fourth Proportional to 1,070,849.60, 1,606,857.60 and 439,827.20

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Solution

The fourth proportional to 1,070,849.60, 1,606,857.60 and 439,827.20 is: 659,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,849.60 : 1,606,857.60 = 439,827.20 : x
  2. Step 2: Convert to fraction form
    1,070,849.60/1,606,857.60 = 439,827.20/x
  3. Step 3: Cross multiply
    1,070,849.60x = 1,606,857.60 × 439,827.20
  4. Step 4: Simplify right side
    1,070,849.60x = 706,739,679,006.72
  5. Step 5: Solve for x
    x = 706,739,679,006.72/1,070,849.60
  6. Step 6: Final answer
    x = 659,980.34

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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.