Home / 1,120,647.65-1,681,779.29-446,338.82

Finding the Fourth Proportional to 1,120,647.65, 1,681,779.29 and 446,338.82

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Solution

The fourth proportional to 1,120,647.65, 1,681,779.29 and 446,338.82 is: 669,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,647.65 : 1,681,779.29 = 446,338.82 : x
  2. Step 2: Convert to fraction form
    1,120,647.65/1,681,779.29 = 446,338.82/x
  3. Step 3: Cross multiply
    1,120,647.65x = 1,681,779.29 × 446,338.82
  4. Step 4: Simplify right side
    1,120,647.65x = 750,643,389,119.33
  5. Step 5: Solve for x
    x = 750,643,389,119.33/1,120,647.65
  6. Step 6: Final answer
    x = 669,829.98

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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.