Home / 1,070,647.80-1,605,971.70-440,014.20

Finding the Fourth Proportional to 1,070,647.80, 1,605,971.70 and 440,014.20

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Solution

The fourth proportional to 1,070,647.80, 1,605,971.70 and 440,014.20 is: 660,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,647.80 : 1,605,971.70 = 440,014.20 : x
  2. Step 2: Convert to fraction form
    1,070,647.80/1,605,971.70 = 440,014.20/x
  3. Step 3: Cross multiply
    1,070,647.80x = 1,605,971.70 × 440,014.20
  4. Step 4: Simplify right side
    1,070,647.80x = 706,650,352,798.14
  5. Step 5: Solve for x
    x = 706,650,352,798.14/1,070,647.80
  6. Step 6: Final answer
    x = 660,021.30

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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.