Home / 1,112,462.93-1,668,759.55-429,353.48

Finding the Fourth Proportional to 1,112,462.93, 1,668,759.55 and 429,353.48

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Solution

The fourth proportional to 1,112,462.93, 1,668,759.55 and 429,353.48 is: 644,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,462.93 : 1,668,759.55 = 429,353.48 : x
  2. Step 2: Convert to fraction form
    1,112,462.93/1,668,759.55 = 429,353.48/x
  3. Step 3: Cross multiply
    1,112,462.93x = 1,668,759.55 × 429,353.48
  4. Step 4: Simplify right side
    1,112,462.93x = 716,487,723,174.25
  5. Step 5: Solve for x
    x = 716,487,723,174.25/1,112,462.93
  6. Step 6: Final answer
    x = 644,055.37

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1.5x scale

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.