Home / 1,300,109.90-1,950,430.84-447,070.75

Finding the Fourth Proportional to 1,300,109.90, 1,950,430.84 and 447,070.75

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Solution

The fourth proportional to 1,300,109.90, 1,950,430.84 and 447,070.75 is: 670,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,109.90 : 1,950,430.84 = 447,070.75 : x
  2. Step 2: Convert to fraction form
    1,300,109.90/1,950,430.84 = 447,070.75/x
  3. Step 3: Cross multiply
    1,300,109.90x = 1,950,430.84 × 447,070.75
  4. Step 4: Simplify right side
    1,300,109.90x = 871,980,572,468.18
  5. Step 5: Solve for x
    x = 871,980,572,468.18/1,300,109.90
  6. Step 6: Final answer
    x = 670,697.59

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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.